i need to throw error and at a time i need to show

Question

i need to throw error and at a time i need to show another view (use multiview) my code is 


but it throw error at time it never go to view2.
i never enter any thing in textbox it shows error but i need the value and i select in dropdown as new and i need to show the view
i need both at a time





onindexchange

 protected void ddlprojectname_SelectedIndexChanged(object sender, EventArgs e)

    {

        //ddlprojectname.Attributes.Add("OnClick", "return sss()");

        MultiView1.Visible = true;

        MultiView1.SetActiveView(View2);

    }

source code



validation code

function sss()

{

var sure=document.getElementById("ctl00_ContentPlaceHolder1_TextBox8").value;

if(sure=="")

{

alert("Enter Suresh");

document.getElementById('ctl00_ContentPlaceHolder1_TextBox8').focus();

return false;

}

}