Fill Dropdown list on GridView1_RowDataBound
Finding controls on SelectedIndexChanged Events
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Create Table Here I Have Provided The Script
CREATE TABLE [dbo].[Food](
[Fid] [bigint] primary key IDENTITY(1,1) NOT NULL,
[Fname] [nvarchar](100) NULL,
[Fprice] [bigint] NULL,
[Recstatus] [char](1) NULL,
)
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INSERT INTO Food(Fname,Fprice,Recstatus)VALUES('Dal',2000,'A')
INSERT INTO Food(Fname,Fprice,Recstatus)VALUES('Rice',52000,'A')
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Maingrid.aspx.cs" Inherits="ALLAboutGridview.Maingrid" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"
GridLines="Horizontal" OnRowDataBound="GridView1_RowDataBound" BackColor="White"
BorderColor="#336666" BorderStyle="Double" BorderWidth="3px">
<Columns>
<asp:TemplateField HeaderText="Product">
<ItemTemplate>
<asp:DropDownList ID="DropDownList1" AppendDataBoundItems="true" Width="150px" runat="server"
AutoPostBack="True" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
<asp:ListItem Text="Select" Value="0"></asp:ListItem>
</asp:DropDownList>
<br />
<asp:Label ID="label1" BackColor="BurlyWood" runat="server" Text=""></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<FooterStyle BackColor="White" ForeColor="#333333" />
<HeaderStyle BackColor="#336666" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#336666" ForeColor="White" HorizontalAlign="Center" />
<RowStyle BackColor="White" ForeColor="#333333" />
<SelectedRowStyle BackColor="#339966" Font-Bold="True" ForeColor="White" />
<SortedAscendingCellStyle BackColor="#F7F7F7" />
<SortedAscendingHeaderStyle BackColor="#487575" />
<SortedDescendingCellStyle BackColor="#E5E5E5" />
<SortedDescendingHeaderStyle BackColor="#275353" />
</asp:GridView>
</form>
</body>
</html>
public void bindgrid()
{
SqlCommand cmd = new SqlCommand("select * from food ", con);
cmd.CommandType = CommandType.Text;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
DataTable dt = new DataTable();
da.Fill(dt);
if (dt.Rows.Count > 0)
{
GridView1.DataSource = dt;
GridView1.DataBind();
}
else
{
DataRow dr = dt.NewRow();
dt.Rows.Add(dr);
GridView1.DataSource = dt;
GridView1.DataBind();
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
SqlCommand cmd = new SqlCommand("select * from food ", con);
cmd.CommandType = CommandType.Text;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
DataTable dt = new DataTable();
da.Fill(dt);
if (dt.Rows.Count > 0)
{
DropDownList DropDownList1 =
(DropDownList)e.Row.FindControl("DropDownList1");
DropDownList1.DataSource = dt;
DropDownList1.DataTextField = "Fname";
DropDownList1.DataValueField = "Fid";
DropDownList1.DataBind();
}
}
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList drp = (DropDownList)sender;
GridViewRow gv = (GridViewRow)drp.NamingContainer;
int index = gv.RowIndex;
DropDownList DropDownList1 = (DropDownList)GridView1.Rows[index].FindControl("DropDownList1");
Label label1 = (Label)GridView1.Rows[index].FindControl("label1");
label1.Text = DropDownList1.SelectedItem.Text;
}
Final Output
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