Grideview on row command

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" OnRowCommand="GridView1_RowCommand">

    <Columns>

        <asp:TemplateField HeaderText="Name" ItemStyle-Width="150">

            <ItemTemplate>

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

            </ItemTemplate>

        </asp:TemplateField>

        <asp:BoundField DataField="Country" HeaderText="Country" ItemStyle-Width="150px" />

        <asp:TemplateField>

            <ItemTemplate>

                <asp:Button Text="Select" runat="server" CommandName="Select" CommandArgument="<%# Container.DataItemIndex %>" />

            </ItemTemplate>

        </asp:TemplateField>

    </Columns>

</asp:GridView>

 

 

 

 

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");

        GridView1.DataSource = dt;

        GridView1.DataBind();

    }

}

 

 

 

 

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)

{

    if (e.CommandName == "Select")

    {

        //Determine the RowIndex of the Row whose Button was clicked.

        int rowIndex = Convert.ToInt32(e.CommandArgument);

 

        //Reference the GridView Row.

        GridViewRow row = GridView1.Rows[rowIndex];

 

        //Fetch value of Name.

        string name = (row.FindControl("txtName") as TextBox).Text;

 

        //Fetch value of Country

        string country = row.Cells[1].Text;

 

        ClientScript.RegisterStartupScript(this.GetType(), "alert", "alert('Name: " + name + "\\nCountry: " + country + "');", true);

    }

}