Get GridView Selected Row cell value on Button Click using C# and VB.Net in ASP.Net

Hi kankon,

Refer below sample code.

HTML

<asp:GridView ID="GridView1" runat="server" OnRowCommand="GridView1_RowCommand" AutoGenerateColumns="false">
    <Columns>
        <asp:BoundField DataField="Name" HeaderText="Name" />
        <asp:TemplateField HeaderText="Country">
            <ItemTemplate>
                <asp:Label ID="lblCountry" runat="server" Text='<%# Eval("Country") %>'></asp:Label>
                <asp:Button Text="Select" runat="server" CommandArgument="<%# Container.DataItemIndex %>" />
            </ItemTemplate>
        </asp:TemplateField>
    </Columns>
</asp:GridView>
<br />
<b>Selected Name: </b>
<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
<br />
<b>Selected Country: </b>
<asp:TextBox ID="txtCountry" runat="server"></asp:TextBox>

Namespaces

C#

using System.Data;

VB.Net

Imports System.Data

Code

C#

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)
{
    int rowIndex = Convert.ToInt32(e.CommandArgument);
    GridViewRow row = GridView1.Rows[rowIndex];
    txtName.Text = row.Cells[0].Text;
    txtCountry.Text = (row.FindControl("lblCountry") as Label).Text;
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        Dim dt As DataTable = New DataTable()
        dt.Columns.AddRange(New DataColumn(2) { 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()
    End If
End Sub

Protected Sub GridView1_RowCommand(ByVal sender As Object, ByVal e As GridViewCommandEventArgs)
    Dim rowIndex As Integer = Convert.ToInt32(e.CommandArgument)
    Dim row As GridViewRow = GridView1.Rows(rowIndex)
    txtName.Text = row.Cells(0).Text
    txtCountry.Text = TryCast(row.FindControl("lblCountry"), Label).Text
End Sub

Screenshot