<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Group Gridview Columns in asp.net</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="gvDetails" AutoGenerateColumns="false" CellPadding="5" runat="server"OnRowDataBound="gvDetails_RowDataBound">
<Columns>
<asp:BoundField HeaderText="UserId" DataField="UserId" />
<asp:BoundField HeaderText="UserName" DataField="UserName" />
<asp:BoundField HeaderText="Education" DataField="Education" />
<asp:BoundField HeaderText="Location" DataField="Location" />
</Columns>
<HeaderStyle BackColor="#df5015" Font-Bold="true" ForeColor="White" />
</asp:GridView>
</div>
</form>
</body>
</html>
Now in code behind add the following namespaces
C# Code
using System;
using System.Data;
using System.Web.UI.WebControls;
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After that add below code in code behind
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindGridview();
}
}
protected void BindGridview()
{
DataTable dt = new DataTable();
dt.Columns.Add("UserId", typeof(Int32));
dt.Columns.Add("UserName", typeof(string));
dt.Columns.Add("Education", typeof(string));
dt.Columns.Add("Location", typeof(string));
dt.Rows.Add(1, "SureshDasari", "B.Tech", "Chennai");
dt.Rows.Add(2, "MadhavSai", "MBA", "Nagpur");
dt.Rows.Add(3, "MaheshDasari", "B.Tech", "Nuzividu");
dt.Rows.Add(4, "SureshDasari", "B.Tech", "Chennai");
gvDetails.DataSource = dt;
gvDetails.DataBind();
}
protected void gvDetails_RowDataBound(object sender, GridViewRowEventArgs e)
{
GridViewRow gvRow = e.Row;
if (gvRow.RowType == DataControlRowType.Header)
{
GridViewRow gvrow = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Insert);
TableCell cell0 = new TableCell();
cell0.Text = "Age Group";
cell0.HorizontalAlign = HorizontalAlign.Center;
cell0.ColumnSpan = 2;
TableCell cell1 = new TableCell();
cell1.Text = "No. Of Employees";
cell1.HorizontalAlign = HorizontalAlign.Center;
cell1.ColumnSpan = 2;
gvrow.Cells.Add(cell0);
gvrow.Cells.Add(cell1);
gvDetails.Controls[0].Controls.AddAt(0, gvrow);
}
}
op:
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