Set ASP.Net HyperLink NavigateUrl from code behind using C# and VB.Net

Hi georgeacuster...,

Please Refer below sample.

HTML

<asp:GridView ID="gvDetails" runat="server" AutoGenerateColumns="false" OnRowDataBound="OnRowDataBound">
<Columns>
    <asp:BoundField DataField="pID" HeaderText="Id" />
    <asp:BoundField DataField="Name" HeaderText="Name" />
    <asp:TemplateField>
        <ItemTemplate>
            <asp:HiddenField ID="hfPId" runat="server" Value='<%#Eval("pID") %>' />
            <asp:HyperLink ID="hl" runat="server"
                Text='<%# Eval("pID") %>'
                Target="_blank"
                ToolTip='<%# (string.IsNullOrEmpty(Eval("pID").ToString()) ? "No" : "Yes") %>'
                Enabled='<%# (string.IsNullOrEmpty(Eval("pID").ToString()) ? false : true) %>'
                ImageUrl='<%# (string.IsNullOrEmpty(Eval("pID").ToString()) ? "/aspnet/img/all.gif" : "/aspnet/img/c16.png") %>'
                CssClass="_Class_new">
            </asp:HyperLink>
        </ItemTemplate>
    </asp:TemplateField>
</Columns>
</asp:GridView>

Namesapce

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[] {
                            new DataColumn("pID"),
                            new DataColumn("Name")});
        dt.Rows.Add("011", "Apple");
        dt.Rows.Add("012", "Orange");
        dt.Rows.Add("", "Grapes");
        gvDetails.DataSource = dt;
        gvDetails.DataBind();
    }
}

protected void OnRowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        HyperLink h1 = (HyperLink)e.Row.FindControl("hl");
        string pId = ((HiddenField)e.Row.FindControl("hfPId")).Value;
        if (!string.IsNullOrEmpty(pId))
        {
            h1.NavigateUrl = string.Format("Default.aspx?spEmpid={0}", pId);
            h1.Attributes.Add("onclick", "javascript:w=window.open(this.href, 'pID', 'left=150,top=150,width=1200,height=600,toolbar=0,resizable=0');return false;");
        }
    }
}

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() {New DataColumn("pID"), New DataColumn("Name")})
        dt.Rows.Add("011", "Apple")
        dt.Rows.Add("012", "Orange")
        dt.Rows.Add("", "Grapes")
        gvDetails.DataSource = dt
        gvDetails.DataBind()
    End If
End Sub

Protected Sub OnRowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
    If e.Row.RowType = DataControlRowType.DataRow Then
        Dim h1 As HyperLink = CType(e.Row.FindControl("hl"), HyperLink)
        Dim pId As String = (CType(e.Row.FindControl("hfPId"), HiddenField)).Value
        If Not String.IsNullOrEmpty(pId) Then
            h1.NavigateUrl = String.Format("Default.aspx?spEmpid={0}", pId)
            h1.Attributes.Add("onclick", "javascript:w=window.open(this.href, 'pID', 'left=150,top=150,width=1200,height=600,toolbar=0,resizable=0');return false;")
        End If
    End If
End Sub

Screenshot