Pass multiple values in Query String Parameter on ASP.Net GridView LinkButton Click using C# and VB.Net

Hi Tevin,

Refer below sample.

HTML

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false">
    <Columns>
        <asp:TemplateField HeaderText="Employee Code">
            <ItemTemplate>
                <asp:LinkButton ID="EmployeeCode" OnClick="EmployeeCode_Click" runat="server" Text='<%# Eval("Id") %>'
                    CommandArgument='<%# Eval("Id") %>'>
 
                </asp:LinkButton>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:BoundField DataField="Name" HeaderText="Name" />
        <asp:BoundField DataField="Country" HeaderText="Country" />
    </Columns>
</asp:GridView>

Namespaces

C#

using System.Data;

VB.Net

Imports System.Data

Code

C#

CS.aspx.cs

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        DataTable dt = new DataTable();
        dt.Columns.AddRange(new DataColumn[] { new DataColumn("Id", typeof(int)), new DataColumn("Name", typeof(string)), new DataColumn("Country", typeof(string)) });
        dt.Rows.Add(1, "Mudassar Khan", "India");
        dt.Rows.Add(2, "John Hammod", "USA");
        dt.Rows.Add(3, "Robert Mathew", "France");
        GridView1.DataSource = dt;
        GridView1.DataBind();
    }
}

protected void EmployeeCode_Click(object sender, EventArgs e)
{
    LinkButton lnk = sender as LinkButton;
    GridViewRow row = (GridViewRow)lnk.NamingContainer;
    Response.Redirect("Default.aspx?Id=" + lnk.CommandArgument + "&Name=" + row.Cells[1].Text);
}

Default.aspx.cs

protected void Page_Load(object sender, EventArgs e)
{
    lblId.Text = "Id is : <b> " + Request.QueryString["Id"] + "</b>";
    lblName.Text = "Name is :<b> " + Request.QueryString["Name"] + "</b>";
}

VB.Net

VB.aspx.vb

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() {New DataColumn("Id", GetType(Integer)), New DataColumn("Name", GetType(String)), New DataColumn("Country", GetType(String))})
            dt.Rows.Add(1, "Mudassar Khan", "India")
            dt.Rows.Add(2, "John Hammod", "USA")
            dt.Rows.Add(3, "Robert Mathew", "France")
            GridView1.DataSource = dt
            GridView1.DataBind()
        End If
    End Sub

    Protected Sub EmployeeCode_Click(ByVal sender As Object, ByVal e As EventArgs)
        Dim lnk As LinkButton = TryCast(sender, LinkButton)
        Dim row As GridViewRow = CType(lnk.NamingContainer, GridViewRow)
        Response.Redirect("Default.aspx?Id=" & lnk.CommandArgument & "&Name=" + row.Cells(1).Text)
    End Sub

Default.aspx.vb

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    lblId.Text = "Id is : <b> " & Request.QueryString("Id") & "</b>"
    lblName.Text = "Name is :<b> " & Request.QueryString("Name") & "</b>"
End Sub

Screenshot