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protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Session["username"] == null || Session["username"].ToString() == "")
{
if (!ClientScript.IsClientScriptBlockRegistered("alert"))
{
ClientScript.RegisterClientScriptBlock(this.GetType(), "alert", "<script>alert('请先登陆!');location.href='login.aspx'</script>");
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Session["username"] == null || Session["username"].ToString() == "")
{
ClientScript.RegisterStartupScript(this.GetType(), "Startup", "<script>alert('请先登陆!');location.href='login.aspx'</script>");
}
}
}