basically you have many ways you can try using any one of then
Eg:1
protected void btnTest_Click(object sender, EventArgs e)
{
.
.
.
string pageurl="Default.aspx?Id=6&RollNo=15";
Response.Write( “<script> window.open( ‘"+pageurl+"’,'_blank' ); </script>”);
Response.End();
}
Eg2:
protected void btnTest_Click(object sender, EventArgs e)
{
.
. // Your Code Here
.
Response.Write( “<script> window.open( ‘New.aspx’,'_blank' ); </script>”);
Response.End();
}
Eg3:
page1.aspx
<asp:Button ID=”btnTest” runat=”Server” Text=”Test” OnClick=”btnTest_Click”
OnClientClick ="document.forms[0].target = '_blank';"/>
page1.cs
protected void btnTest_Click(object sender, EventArgs e)
{
Response.Redirect(”New.aspx”);
}
