void BUTTON2_Click(object sender,EventArgs e)
{
if( Session["myVariable"] == null ) {
Response.Write(" 请先点击 BUTTON1 进行传值!");
return;
}
// .........
}
{
if( Session["myVariable"] == null ) {
Response.Write(" 请先点击 BUTTON1 进行传值!");
return;
}
// .........
}
Session["mySession"] = "";
{
if( Session["myVariable"] == null )
{
Response.Write("<script language=javascript>alert('您还没有传值');</script>");
return;
}
}