Check this example
<asp:GridView ID="GridView1" HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White"
runat="server" AutoGenerateColumns="false" OnRowDataBound="OnRowDataBound"
OnRowEditing="OnRowEditing">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:RadioButton Id="Radio1" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="Name" HeaderText="Name" ItemStyle-Width="150" />
<asp:BoundField DataField="Country" HeaderText="Country" ItemStyle-Width="150" />
<asp:TemplateField>
<EditItemTemplate>
<asp:LinkButton Text="Update" runat="server" OnClick = "OnUpdate" />
<asp:LinkButton Text="Cancel" runat="server" OnClick = "OnCancel" />
</EditItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:LinkButton ID="lnkDummy" runat="server"></asp:LinkButton>
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id"), new DataColumn("Name"), new DataColumn("Country") });
dt.Rows.Add(1, "John Hammond", "United States");
dt.Rows.Add(2, "Mudassar Khan", "India");
dt.Rows.Add(3, "Suzanne Mathews", "France");
dt.Rows.Add(4, "Robert Schidner", "Russia");
dt.PrimaryKey = null;
ViewState["dt"] = dt;
this.BindGrid();
}
}
protected void BindGrid()
{
GridView1.Columns[GridView1.Columns.Count - 1].Visible = false;
GridView1.DataSource = ViewState["dt"] as DataTable;
GridView1.DataBind();
}
protected void OnRowDataBound(object sender, System.Web.UI.WebControls.GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
(e.Row.FindControl("Radio1") as RadioButton).Attributes["onclick"] = Page.ClientScript.GetPostBackClientHyperlink(GridView1, "Edit$" + e.Row.RowIndex);
}
}
protected void OnRowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.Rows[e.NewEditIndex].Cells[1].Visible = false;
GridView1.HeaderRow.Cells[1].Visible = false;
GridView1.EditIndex = e.NewEditIndex;
this.BindGrid();
(GridView1.Rows[e.NewEditIndex].FindControl("Radio1") as RadioButton).Checked = true;
GridView1.Columns[GridView1.Columns.Count - 1].Visible = true;
}
protected void OnUpdate(object sender, EventArgs e)
{
GridViewRow row = (sender as LinkButton).NamingContainer as GridViewRow;
string name = (row.Cells[0].Controls[0] as TextBox).Text;
string country = (row.Cells[1].Controls[0] as TextBox).Text;
DataTable dt = ViewState["dt"] as DataTable;
dt.Rows[row.RowIndex]["Name"] = name;
dt.Rows[row.RowIndex]["Country"] = country;
ViewState["dt"] = dt;
GridView1.EditIndex = -1;
this.BindGrid();
}
protected void OnCancel(object sender, EventArgs e)
{
GridView1.EditIndex = -1;
this.BindGrid();
}
