PopUp

PopUp utilizando ScriptManager.RegisterClientScriptBlock(this, this.GetType()..

protected void BTN_Click(object sender, ImageClickEventArgs e)
{
string jscript = "";
jscript += "window.open('EsqueciMinhaSenha.aspx','','resizable=no, menubar=yes, scrollbars=no, width=630, height=130');";
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "Cliente", jscript, true);
}
Att,
Leonardo Rocha