Use Of Session Variable

//Source.aspx.cs Drag One Button In Window Form & Named “BtnNext”…. private void BtnNext_Click(object sender, System.EventArgs e) {     //Drag Two TextBox In Window From & Named “TxtUserName” & “TxtSystemName”...     //Store Values In Two Session Variable From The TextBoxes...         Session["UserName"]=TxtUserName.Text;    Session["SystemName"]=TxtSystemName.Text;    Server.Transfer("Destination.aspx"); } //Destination.aspx.cs Drag Two Labels In Window Form Named “LblUName” & “LblSName”… private void Page_Load(object sender, System.EventArgs e) {     //Store Session Variables Value In The Lables….     LblUName.Text=Session["UserName"].ToString();     LblSName.Text=Session["SystemName"].ToString();     //Remove Both Session Variable...    Session.Remove("UserName");    Session.Remove("SystemName"); }