Set ASP.Net HyperLink NavigateUrl inside Repeater based on condition using C# and VB.Net

Hi ramco1917,

Please refer below sample.

HTML

<asp:Repeater ID="rptDetails" runat="server" OnItemDataBound="rptDetails_ItemCommand">
<HeaderTemplate>
    <table>
        <tr>
            <td>Source</td>
            <td>InvoiceNumber</td>
        </tr>
</HeaderTemplate>
<ItemTemplate>
    <tr>
        <td>
            <asp:Literal ID="ltrlSource" runat="server" Text='<%# Eval("Source") %>'></asp:Literal></td>
        <td>
            <asp:Literal ID="ltrlInvoice" runat="server" Text='<%# Eval("InvoiceNumber") %>'></asp:Literal></td>
        <td>
            <asp:HyperLink ID="lnkAmazon" runat="server" NavigateUrl="www.amazon.in" Text="Amazon"></asp:HyperLink>
        </td>
    </tr>
</ItemTemplate>
<FooterTemplate>
    </table>
</FooterTemplate>
</asp:Repeater>

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[2] {
                    new DataColumn("Source"),
                    new DataColumn("InvoiceNumber") });
        dt.Rows.Add("Amazon", "5325102");
        dt.Rows.Add("Other", "0325421");
        dt.Rows.Add("Data", "5325102");
        dt.Rows.Add("Amazon", "0325421");
        rptDetails.DataSource = dt;
        rptDetails.DataBind();
    }
}

protected void rptDetails_ItemCommand(object sender, RepeaterItemEventArgs e)
{
    if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
    {
        RepeaterItem rptDetails = e.Item;
        Literal ltrlInvoice = ((rptDetails.FindControl("ltrlInvoice")) as Literal);
        Literal ltrlSource = ((rptDetails.FindControl("ltrlSource")) as Literal);
        if (ltrlSource.Text == "Amazon")
        {
            HyperLink lnkAmazon = (HyperLink)e.Item.FindControl("lnkAmazon") as HyperLink;
            lnkAmazon.NavigateUrl = "www.amazon.com";
            lnkAmazon.Text = "www.amazon.com";
        }

        else if (ltrlSource.Text != "Amazon")
        {
            HyperLink lnkAmazon = (HyperLink)e.Item.FindControl("lnkAmazon") as HyperLink;
            lnkAmazon.NavigateUrl = "www.amazon.in";
            lnkAmazon.Text = "www.amazon.in";
        }         
            
    }
}

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(1) {
                            New DataColumn("Source"),
                            New DataColumn("InvoiceNumber")})
        dt.Rows.Add("Amazon", "5325102")
        dt.Rows.Add("Other", "0325421")
        dt.Rows.Add("Data", "5325102")
        dt.Rows.Add("Amazon", "0325421")
        rptDetails.DataSource = dt
        rptDetails.DataBind()
    End If
End Sub

Protected Sub rptDetails_ItemDataBound(ByVal sender As Object, ByVal e As RepeaterItemEventArgs)
    If e.Item.ItemType = ListItemType.Item OrElse e.Item.ItemType = ListItemType.AlternatingItem Then
        Dim rptDetails As RepeaterItem = e.Item
        Dim ltrlInvoice As Literal = (TryCast((rptDetails.FindControl("ltrlInvoice")), Literal))
        Dim ltrlSource As Literal = (TryCast((rptDetails.FindControl("ltrlSource")), Literal))

        If ltrlSource.Text = "Amazon" Then
            Dim lnkAmazon As HyperLink = TryCast(CType(e.Item.FindControl("lnkAmazon"), HyperLink), HyperLink)
            lnkAmazon.NavigateUrl = "www.amazon.com"
            lnkAmazon.Text = "www.amazon.com"
        ElseIf ltrlSource.Text <> "Amazon" Then
            Dim lnkAmazon As HyperLink = TryCast(CType(e.Item.FindControl("lnkAmazon"), HyperLink), HyperLink)
            lnkAmazon.NavigateUrl = "www.amazon.in"
            lnkAmazon.Text = "www.amazon.in"
        End If
    End If
End Sub

Screenshot