Bind,Save,Edit,Update,Cancel,Delete,Paging example in GridView in asp.net C#

Introduction: In this article I am going to explain How to perform CRUD operation i.e. Bind, Insert/Save, Edit, Update, Cancel, Delete, Paging in GridView in asp.net using C# language.

Basically you will learn the following through this example:

1. How to Save/Insert and update data in Sql Server Database from asp.net web application? 
2. How to Bind Data from Sql Server to GridView Data Control? 
3. How to perform Edit, Update and Delete operation in GridView? 
4. How to Fill Day, Month and Year in DropDownList and set current date as selected? 
5. How to find controls like TextBox and DropDownList placed inside GridView and get their values? 
6. How to implement paging in GridView?

In previous articles I explained How to Bind,Insert,Edit,Update,Delete in GridView in asp.net VB.Net and WCF Service to bind,insert,edit,update,delete from sql server database and Upload,download,delete image files from the GridView and Bind, edit, update and delete data in Repeater  & DataList  and Export GridView data to PDF file and Load more records from database in gridview on button click and  Upload and store image in binary format in database and bind to Gridview

Implementation: Let's create an example web application to see it in action.

Click on image  to enlarge

• First of all create the Database in Sql Server and Name it "Emp_DB" or whatever you want. Create a Table having columns as shown in figure and name it "Emp_Tb" .

Note: Emp_Id_Pk column is set to Primary key and Identity specification is set to yes with Identity increment and Identity seed equal to 1.

• In the Web.config file create the connection string as:

<connectionStrings>

                                <add name="conStr" connectionString="Data Source=LocalServer;Initial Catalog=Emp_DB;Integrated Security=True"/>

                </connectionStrings>

Note: Replace the Data Source and the Initial catalog as per your application.

• Create a folder in the root directory and name it "Images". Search edit and delete .png icon image from the google search and add in the "Images" folder. 
• Now In the Design page(.aspx) design the web page as:

Note: I have also implemented the asp.net validations on the Employee Name, Address and the Salary fields.

<fieldset style="width:545px;">

    <legend style="font-size:20px; color:Green;">Save, Edit, Update, Delete, Paging example in

        Gridview</legend>   

        <table>

            <tr>

                <td>

                    Employee Name</td>

                <td>

                    <asp:TextBox ID="txtEmployeeName" runat="server"></asp:TextBox>

                    <asp:RequiredFieldValidator ID="rfvEmpName" runat="server"

                        ErrorMessage="Please enter employee name"

                        ControlToValidate="txtEmployeeName" Display="Dynamic" ForeColor="Red"

                        SetFocusOnError="True"></asp:RequiredFieldValidator>

                </td>

            </tr>           

            <tr>

                <td>

                    Address</td>

                <td>

                    <asp:TextBox ID="txtAddress" runat="server" TextMode="MultiLine" Height="59px"

                        Width="267px"></asp:TextBox><asp:RequiredFieldValidator ID="rfvAddress" runat="server"

                        ErrorMessage="Please enter Address"

                        ControlToValidate="txtAddress" Display="Dynamic" ForeColor="Red"

                        SetFocusOnError="True"></asp:RequiredFieldValidator>

                </td>

            </tr>           

            <tr>

                <td>

                    DOJ</td>

                <td>

                    <asp:DropDownList ID="ddlYear" runat="server"  ToolTip="Select Year"

                        onselectedindexchanged="ddlYear_SelectedIndexChanged">

                    </asp:DropDownList>

                    <asp:DropDownList ID="ddlMonth" runat="server" ToolTip="Select Month"

                        onselectedindexchanged="ddlMonth_SelectedIndexChanged">

                    </asp:DropDownList>

                    <asp:DropDownList ID="ddlDay" runat="server" ToolTip="Select Day">

                    </asp:DropDownList>

                </td>

            </tr>

            <tr>

                <td>

                    Salary</td>

                <td>

                    <asp:TextBox ID="txtSalary" runat="server"></asp:TextBox>

                    <asp:RequiredFieldValidator ID="rfvSal" runat="server"

                        ErrorMessage="Please enter salary" ControlToValidate="txtSalary"

                        Display="Dynamic" ForeColor="Red" SetFocusOnError="True"></asp:RequiredFieldValidator>

                </td>

            </tr>      

            <tr>

                <td>

                    &nbsp;</td>

                <td>

                    <asp:Button ID="btnSave" runat="server" Text="Save" onclick="btnSave_Click" />

                    <asp:Button ID="btnReset" runat="server" Text="Reset" CausesValidation="false"

                        onclick="btnReset_Click" />

                </td>

            </tr>           

            </table>   

        <asp:GridView ID="grdEmp" runat="server"

            DataKeyNames="Emp_Id_Pk"  CssClass="rowHover" RowStyle-CssClass="rowHover"

            AutoGenerateColumns="False" AllowPaging="True" onpageindexchanging="grdEmp_PageIndexChanging"

            PageSize="4" onrowcancelingedit="grdEmp_RowCancelingEdit"

            onrowdeleting="grdEmp_RowDeleting" onrowediting="grdEmp_RowEditing"

            onrowupdating="grdEmp_RowUpdating" onrowdatabound="grdEmp_RowDataBound"

             CellPadding="4" ForeColor="#333333" GridLines="None">          

            <AlternatingRowStyle BackColor="White" ForeColor="#284775" />          

         <Columns>          

                <asp:TemplateField HeaderText="Emp Name" HeaderStyle-HorizontalAlign="Center">

            <ItemTemplate>

                 <%#Eval("EmpName")%>

            </ItemTemplate>

            <EditItemTemplate>

                 <asp:TextBox ID="txtEmpName" runat="server" Text='<%#Eval("EmpName") %>'></asp:TextBox>

                <asp:RequiredFieldValidator ID="rfvEmpName" runat="server" ErrorMessage="*" ForeColor="red" ControlToValidate="txtEmpName" Display="Dynamic" SetFocusOnError="True"></asp:RequiredFieldValidator>

             </EditItemTemplate>

              <HeaderStyle HorizontalAlign="Center" />            

         </asp:TemplateField>       

        <asp:TemplateField HeaderText="Address" HeaderStyle-HorizontalAlign="Center">

            <ItemTemplate>

                 <%#Eval("Address")%>

            </ItemTemplate>

            <EditItemTemplate>

                 <asp:TextBox ID="txtEditAddress" runat="server" Text='<%#Eval("Address") %>'  TextMode="MultiLine"></asp:TextBox>

                <asp:RequiredFieldValidator ID="rfvAddress" runat="server" ErrorMessage="*" ForeColor="red" ControlToValidate="txtEditAddress" Display="Dynamic" SetFocusOnError="True"></asp:RequiredFieldValidator>

             </EditItemTemplate>

              <HeaderStyle HorizontalAlign="Center" />            

         </asp:TemplateField>

        <asp:TemplateField HeaderText="DOJ" HeaderStyle-HorizontalAlign="Center" ItemStyle-Width="180px">

         <ItemTemplate>

        <%#Eval("DOJ", "{0:dd/MM/yyyy}")%>   

         </ItemTemplate>

         <EditItemTemplate>

               <asp:DropDownList ID="ddlEditDay" runat="server" ToolTip="Select Day">

              </asp:DropDownList>

              <asp:DropDownList ID="ddlEditMonth" runat="server" ToolTip="Select Month">

                    </asp:DropDownList>

              <asp:DropDownList ID="ddlEditYear" runat="server" ToolTip="Select Year">

                    </asp:DropDownList>

         </EditItemTemplate>        

            <HeaderStyle HorizontalAlign="Center" />

            <ItemStyle HorizontalAlign="Center" Width="180px" />        

         </asp:TemplateField>

           <asp:TemplateField HeaderText="Salary" HeaderStyle-HorizontalAlign="Center">

            <ItemTemplate>

                 <%#Eval("Salary")%>

            </ItemTemplate>

            <EditItemTemplate>

                 <asp:TextBox ID="txtSal" runat="server" Text='<%#Eval("Salary") %>'></asp:TextBox>

                <asp:RequiredFieldValidator ID="rfvSal" runat="server" ErrorMessage="*" ForeColor="red" ControlToValidate="txtSal" Display="Dynamic" SetFocusOnError="True"></asp:RequiredFieldValidator>

             </EditItemTemplate>

              <HeaderStyle HorizontalAlign="Center" />             

         </asp:TemplateField>

                   <asp:TemplateField HeaderText="Edit"  HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center">

            <ItemTemplate>             

                <asp:ImageButton ID="imgEdit" runat="server" CommandName="Edit"  ImageUrl="~/Images/Edit.png" ToolTip="Edit" CausesValidation="false"/>

            </ItemTemplate>

            <EditItemTemplate>

                 <asp:LinkButton ID="lkUpdate" runat="server" Text="Update" CommandName="Update" ToolTip="Update" CausesValidation="false"></asp:LinkButton>

                 <asp:LinkButton ID="lkCancel" runat="server"  Text="Cancel" CommandName="Cancel" ToolTip="Cancel" CausesValidation="false"></asp:LinkButton>               

             </EditItemTemplate>

            <HeaderStyle HorizontalAlign="Center" />

            <ItemStyle HorizontalAlign="Center" />

         </asp:TemplateField>

         <asp:TemplateField HeaderText="Delete"  HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center">

            <ItemTemplate>

                 <asp:ImageButton ID="imgDelete" runat="server" CommandName="Delete"  ImageUrl="~/Images/Delete.png" OnClientClick="return confirm('Are you sure you want to delete selected record ?')" ToolTip="Delete" CausesValidation="false"/>

            </ItemTemplate>           

             <HeaderStyle HorizontalAlign="Center" />

             <ItemStyle HorizontalAlign="Center" />

         </asp:TemplateField>   

                  </Columns>        

             <EditRowStyle BackColor="#999999" />

            <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />

            <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />

            <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />

        <RowStyle CssClass="rowHover" BackColor="#F7F6F3" ForeColor="#333333"></RowStyle>

            <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />

            <SortedAscendingCellStyle BackColor="#E9E7E2" />

            <SortedAscendingHeaderStyle BackColor="#506C8C" />

            <SortedDescendingCellStyle BackColor="#FFFDF8" />

            <SortedDescendingHeaderStyle BackColor="#6F8DAE" />       

         </asp:GridView>    

         </fieldset>

Asp.Net C# Code to Bind, Save, Edit, Update, Cancel, Delete, Paging example  in GridView

• In the Code behind file (.aspx.cs) write the code as:

#region "namespaces"

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient;

using System.Configuration;

using System.IO;

#endregion

public partial class _Default : System.Web.UI.Page

{ 

    //Creating Connection object and getting connection string

    SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["conStr"].ConnectionString);

    #region "page Load"

    protected void Page_Load(object sender, EventArgs e)

    {

        //Check and Open Database connection

        if (con.State == ConnectionState.Closed)

        {

            con.Open();

        }

        if (!Page.IsPostBack)

        {

            //Bind gridview existing records

            bindGridView();

            //DOJ Field

            //Fill Years with current year selected

            for (int i = 2013; i >= 1980; i--)

            {

                ddlYear.Items.Add(i.ToString());

            }

            ddlYear.Items.FindByValue(System.DateTime.Now.Year.ToString()).Selected = true;  //set current year as selected

            //Fill Months with current month selected

            for (int i = 1; i <= 12; i++)

            {

                ddlMonth.Items.Add(i.ToString());

            }

            ddlMonth.Items.FindByValue(System.DateTime.Now.Month.ToString()).Selected = true; // Set current month as selected

            //Fill days based on selected month

            FillDays();

        }

    }

    #endregion

    #region "Save employee record"

    protected void btnSave_Click(object sender, EventArgs e)

    {

        string doj = string.Empty;

        //Joining selected Day, month and year to create Date of Joining

       doj = Convert.ToString(ddlDay.SelectedValue + "/" + ddlMonth.SelectedValue + "/" + ddlYear.SelectedValue);

        try

        {

            SqlCommand cmd = new SqlCommand("Insert into Emp_Tb(EmpName,Address,DOJ,Salary) values (@EmpName,@Address,@Doj,@Salary)", con);

            cmd.CommandType = CommandType.Text;

            cmd.Parameters.Add("@EmpName", SqlDbType.VarChar, 100).Value = txtEmployeeName.Text.Trim();        

            cmd.Parameters.Add("@Address", SqlDbType.VarChar, 500).Value =  txtAddress.Text.Trim();  

            cmd.Parameters.Add("@Doj", SqlDbType.VarChar, 50).Value = doj;

            cmd.Parameters.Add("@Salary", SqlDbType.Int).Value = txtSalary.Text.Trim();          

            cmd.ExecuteNonQuery();

           //Clear all controls after saving the record

            Clear_Controls();

            //Bind gridview after saving the record

            bindGridView();

        }

        catch (Exception ex)

        { 

            // Show error occurred in message box using JavaScript

            ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), Guid.NewGuid().ToString(), "alert('" + ex.Message.ToString() + "');", true);

        }

        finally

        {

            doj = string.Empty;

            //close the database connection

            con.Close();

        }

    }

    #endregion

    #region "Bind gridview with data"

    public void bindGridView()

    {     

            try

            {

                SqlCommand cmd = new SqlCommand("select * from Emp_Tb", con);

                SqlDataAdapter adp = new SqlDataAdapter(cmd);

                DataSet ds = new DataSet();

                adp.Fill(ds);

              

                if (ds.Tables[0].Rows.Count > 0)

                {                  

                    grdEmp.DataSource = ds;

                    grdEmp.DataBind();

                }

                else

                {  

                    //Bind Empty grdview with Columns names in Header and "No employee record found" message if no records are found in the database

                    BindEmptyGridWithHeader(grdEmp, ds);

                }

            }

            catch (Exception ex)

            {              

                ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), Guid.NewGuid().ToString(), "alert('" + ex.Message.ToString() + "');", true);

            }

            finally

            {               

                con.Close();

            }    

           }   

    #endregion

   

    #region "paging in gridview"

    protected void grdEmp_PageIndexChanging(object sender, GridViewPageEventArgs e)

    {

        grdEmp.PageIndex = e.NewPageIndex;

        //Call bind gridview function

        bindGridView();

    }

    #endregion

    #region "Cancel code in gridview"

    protected void grdEmp_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)

    {

        grdEmp.EditIndex = -1;

        bindGridView();

    }

    #endregion

    #region "Deletion in gridview"

    protected void grdEmp_RowDeleting(object sender, GridViewDeleteEventArgs e)

    {

        try

        {

            int empId = Convert.ToInt32(grdEmp.DataKeys[e.RowIndex].Value);

            SqlCommand cmd = new SqlCommand("delete from Emp_Tb where Emp_Id_Pk= @EmpId", con);

            cmd.Parameters.Add("@EmpId", SqlDbType.Int).Value = empId;

            cmd.CommandType = CommandType.Text;

            cmd.ExecuteNonQuery();

            grdEmp.EditIndex = -1;

            bindGridView();

        }

        catch (Exception ex)

        {

            ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), Guid.NewGuid().ToString(), "alert('"+ ex.Message.ToString() +"');", true);

        }

        finally

        {

            con.Close();

        }

    }

    #endregion

    #region "updation in gridview"

    protected void grdEmp_RowUpdating(object sender, GridViewUpdateEventArgs e)

    {    

        string empName = string.Empty;

        string address = string.Empty;

        string dojUpdated = string.Empty;     

        try

        {

            // Finding dropdownlist inside gridview and getting updated value

            DropDownList ddlEditDojYear = (DropDownList)(grdEmp.Rows[e.RowIndex].FindControl("ddlEditYear"));

            DropDownList ddlEditDojMonth = (DropDownList)(grdEmp.Rows[e.RowIndex].FindControl("ddlEditMonth"));

            DropDownList ddlEditDojDay = (DropDownList)(grdEmp.Rows[e.RowIndex].FindControl("ddlEditDay"));

            // creating Updated DOJ field

            dojUpdated = Convert.ToString(ddlEditDojDay.SelectedValue + "/" + ddlEditDojMonth.SelectedValue + "/" + ddlEditDojYear.SelectedValue);

           

            //Read Emp_id_Pk from DataKeyNames

            int empId = Convert.ToInt32(grdEmp.DataKeys[e.RowIndex].Value);

            //Finding TextBox inside gridview and getting updated value

            empName = ((TextBox)(grdEmp.Rows[e.RowIndex].FindControl("txtEmpName"))).Text.Trim();

            address = ((TextBox)(grdEmp.Rows[e.RowIndex].FindControl("txtEditAddress"))).Text.Trim();

            int sal = Convert.ToInt32(((TextBox)(grdEmp.Rows[e.RowIndex].FindControl("txtSal"))).Text.Trim());

            SqlCommand cmd = new SqlCommand("update Emp_Tb set EmpName=@EmpName,Address=@Address,DOJ=@Doj,Salary=@Salary where Emp_Id_Pk=@EmpId", con);

            cmd.CommandType = CommandType.Text;

            cmd.Parameters.Add("@EmpId", SqlDbType.Int).Value = empId;

            cmd.Parameters.Add("@EmpName", SqlDbType.VarChar, 50).Value = empName;

            cmd.Parameters.Add("@Address", SqlDbType.VarChar, 50).Value = address;        

            cmd.Parameters.Add("@Doj", SqlDbType.VarChar, 50).Value = dojUpdated;

            cmd.Parameters.Add("@Salary", SqlDbType.BigInt).Value = sal;          

            cmd.ExecuteNonQuery();

            grdEmp.EditIndex = -1;

            bindGridView();

        }

        catch (Exception ex)

        {

            ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), Guid.NewGuid().ToString(), "alert('" + ex.Message.ToString() + "');", true);

        }

        finally

        {         

            empName = string.Empty;

            address = string.Empty;

            dojUpdated = string.Empty;

            con.Close();

        }

    }

    #endregion

    #region "Editing in gridview"

    protected void grdEmp_RowEditing(object sender, GridViewEditEventArgs e)

    {

        grdEmp.EditIndex = e.NewEditIndex;

        bindGridView();

    }

    #endregion

    #region "Bind Empty Gridview with header"

    public void BindEmptyGridWithHeader(GridView gridView, DataSet ds)

    {

        try

        {

            if (ds.Tables[0].Rows.Count == 0)

            {

                //Add a blank row to the dataset

                ds.Tables[0].Rows.Add(ds.Tables[0].NewRow());

                //Bind the DataSet to the GridView

                gridView.DataSource = ds;

                gridView.DataBind();

                //Get the number of columns to know what the Column Span should be

                int columnCount = gridView.Rows[0].Cells.Count;

                //Call the clear method to clear out any controls that you use in the columns.

                gridView.Rows[0].Cells.Clear();

                gridView.Rows[0].Cells.Add(new TableCell());

                gridView.Rows[0].Cells[0].ColumnSpan = columnCount;

                gridView.Rows[0].Cells[0].Text = "<font color=Red><b><center>No employee record Found !</center></b></font>";

            }

        }

        catch (Exception ex)

        {

            //Do your exception handling here

        }

    }

    #endregion   

   

    #region "Grid RowDataBound Event"

    protected void grdEmp_RowDataBound(object sender, GridViewRowEventArgs e)

    {

        string day = string.Empty;

        string month = string.Empty;

        string year = string.Empty;     

        try

        {

            if (e.Row.RowType == DataControlRowType.DataRow && grdEmp.EditIndex == e.Row.RowIndex)

            {

                //Read Emp_Id_Pk from DataKeyNames

                int empId = Convert.ToInt32(grdEmp.DataKeys[e.Row.RowIndex].Value);

                SqlDataAdapter adp1 = new SqlDataAdapter("Select * from Emp_Tb where Emp_Id_Pk=@EmpId", con);

                adp1.SelectCommand.CommandType = CommandType.Text;

                adp1.SelectCommand.Parameters.Add("@EmpId", SqlDbType.Int).Value = empId;

                DataTable dtEdit = new DataTable();

                adp1.Fill(dtEdit);

                string getDoj = dtEdit.Rows[0]["DOJ"].ToString();

                //Splitting the DOJ field into day, month and year

                string[]  strDoj = getDoj.Split('/');

                 day = strDoj[0];

                 month = strDoj[1];

                 year = strDoj[2];

                DropDownList ddlEditDojYear = (DropDownList)(e.Row.FindControl("ddlEditYear"));

                DropDownList ddlEditDojMonth = (DropDownList)(e.Row.FindControl("ddlEditMonth"));

                DropDownList ddlEditDojDay = (DropDownList)(e.Row.FindControl("ddlEditDay"));

                //Fill Years

                for (int i = 2013; i >= 1980; i--)

                {

                    ddlEditDojYear.Items.Add(i.ToString());

                }             

                 ddlEditDojYear.SelectedValue = year;

                //Fill Months

                for (int i = 1; i <= 12; i++)

                {

                    ddlEditDojMonth.Items.Add(i.ToString());

                }

                ddlEditDojMonth.SelectedValue = month;               

               

                //Fill days

                FillDaysInsideGrid(ddlEditDojDay, ddlEditDojYear, ddlEditDojMonth, day);

            }

        }

        catch (Exception ex)

        {

            ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), Guid.NewGuid().ToString(), "alert('" + ex.Message.ToString() + "');", true);

        }

        finally

        {

             day = string.Empty;

             month = string.Empty;

             year = string.Empty;           

        }      

    }

    #endregion          

   

    #region "DOJ"

    protected void ddlYear_SelectedIndexChanged(object sender, EventArgs e)

    {

        FillDays();

    }

    protected void ddlMonth_SelectedIndexChanged(object sender, EventArgs e)

    {

        FillDays();

    }

    public void FillDays()

    {

        if (!Page.IsPostBack)

        {

            ddlDay.Items.Clear();

        }

        //getting number of days in selected month & year

        int noofdays = DateTime.DaysInMonth(Convert.ToInt32(ddlYear.SelectedValue), Convert.ToInt32(ddlMonth.SelectedValue));

        //Fill days

        for (int i = 1; i <= noofdays; i++)

        {

            ddlDay.Items.Add(i.ToString());

        }

        if (!Page.IsPostBack)

        {

            ddlDay.Items.FindByValue(System.DateTime.Now.Day.ToString()).Selected = true;// Set current date as selected

        }

    }

    #endregion

    #region "Fill Days Inside GridView"

    public void FillDaysInsideGrid(DropDownList ddlEditDojDay, DropDownList ddlEditDojYear, DropDownList ddlEditDojMonth, string day)

    {

        ddlEditDojDay.Items.Clear();

        //getting number of days in selected month & year

        int noofdays = DateTime.DaysInMonth(Convert.ToInt32(ddlEditDojYear.SelectedValue), Convert.ToInt32(ddlEditDojMonth.SelectedValue));

        //Fill days

        for (int i = 1; i <= noofdays; i++)

        {

            ddlEditDojDay.Items.Add(i.ToString());

        }

                ddlEditDojDay.SelectedValue = day;

    }

    #endregion

    #region "Clear & reset all controls"

           

    protected void btnReset_Click(object sender, EventArgs e)

    {

        Clear_Controls();

    }

    private void Clear_Controls()

    {

        txtEmployeeName.Text = string.Empty;

        txtSalary.Text = string.Empty;

        txtEmployeeName.Focus();

        txtAddress.Text = string.Empty;

        txtEmployeeName.Focus();

        //Reset DOJ Field

        //Fill Years with current year selected

        ddlYear.Items.Clear();

        for (int i = 2013; i >= 1980; i--)

        {

            ddlYear.Items.Add(i.ToString());

        }

        ddlYear.Items.FindByValue(System.DateTime.Now.Year.ToString()).Selected = true;  //set current year as selected

        //Fill Months with current month selected

        ddlMonth.Items.Clear();

        for (int i = 1; i <= 12; i++)

        {

            ddlMonth.Items.Add(i.ToString());

        }

        ddlMonth.Items.FindByValue(System.DateTime.Now.Month.ToString()).Selected = true; // Set current month as selected

        //Fill days according to current month  

        ddlDay.Items.Clear();

        //Getting number of days in selected month & year

        int noofdays = DateTime.DaysInMonth(Convert.ToInt32(ddlYear.SelectedValue), Convert.ToInt32(ddlMonth.SelectedValue));

        //Fill days

        for (int i = 1; i <= noofdays; i++)

        {

            ddlDay.Items.Add(i.ToString());

        }

        ddlDay.Items.FindByValue(System.DateTime.Now.Day.ToString()).Selected = true;// Set current date as selected      

    }

    #endregion

}

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