页面间传值

protected void LinkButton1_Click1(object sender, EventArgs e)
{
    String strId = txtCid.Text;
    Session["C_Id"] = strId;//记录C_ID
    Server.Transfer("~/emp/Employee.aspx");
}

String vCId = Session["C_Id"].ToString();

protected void LinkButton1_Click1(object sender, EventArgs e)
{
    String strId = txtCid.Text;
    Response.Redirect("~/emp/Employee.aspx?C_Id=" + strId);
}

String vCId = Request.QueryString["C_Id"].ToString();