.net后台页面统一验证是否登录_实用技巧_

 using System; using System.Collections.Generic; using System.Web; namespace DepartmentMIS.Web.myclass { public class PageBase : System.Web.UI.Page { public PageBase() { this.Load += new EventHandler(BasePage_Load); } private void BasePage_Load(object sender, EventArgs e) { if (Session["UserNo"] == null || Session["UserNo"].ToString() == "") { Response.Redirect("~/Login.aspx"); } } } } 

 protected void btnLogin_Click(object sender, EventArgs e) { if (rblRole.SelectedValue == "1") { DataSet ds = AdminBLL.GetList("userName = '" + tbxUserName.Text.Trim() + "' and password = '" + tbxPassword.Text.Trim()+"' and isDeleted = 0"); if (ds.Tables[0].Rows.Count == 1) { int id = Convert.ToInt32(ds.Tables[0].Rows[0]["id"]); Session["UserNo"] = ds.Tables[0].Rows[0]["id"]; Session["UserName"] = ds.Tables[0].Rows[0]["userName"]; Response.Redirect("admin/adminIndex.aspx"); } else { Response.Write(""); } } if (rblRole.SelectedValue == "2") { DataSet ds = StuBLL.GetList("stuNo = '" + tbxUserName.Text.Trim() + "' and password = '" + tbxPassword.Text.Trim() + "' and isDeleted = 0"); if (ds.Tables[0].Rows.Count == 1) { int id = Convert.ToInt32(ds.Tables[0].Rows[0]["id"]); Session["UserNo"] = ds.Tables[0].Rows[0]["id"]; Session["UserName"] = ds.Tables[0].Rows[0]["stuName"]; Response.Redirect("student/stusIndex.aspx"); } else { Response.Write(""); } } 

 using System.Web.UI.WebControls.WebParts; using System.Data.SqlClient; using System.Collections; namespace cbmis.ProDocumentMng { public partial class DocumentList : BasePage //继承 { protected void Page_Load(object sender, EventArgs e) { } } } }