protected void loginBtn_Click(object sender, EventArgs e) { int studentID = Convert.ToInt32(idTxt.Text); string studentPsw = pswTxt.Text; studentTableAdapter ta = new studentTableAdapter(); if (ta.GetDataBy学生登陆(studentID, studentPsw).Rows.Count == 1) { Session["StudentID"] = studentID.ToString(); Response.Redirect("学生主页.aspx"); } else { Response.Write("<script>alert('用户名或密码错误')</script>"); //ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "Startup", "alert('用户名或密码错误!');", true); } }
protected void btnSlt_Click(object sender, EventArgs e) { ASPxButton btnSlt = (sender as ASPxButton); studentTableAdapter ta = new studentTableAdapter(); course_studentTableAdapter tb = new course_studentTableAdapter(); int index = Convert.ToInt32(btnSlt.CommandArgument); int crsID = Convert.ToInt32(courseSlt.GetRowValues(index, "课程编号")); string crsDate = Convert.ToString(courseSlt.GetRowValues(index, "开课时间")); string crsName = Convert.ToString(courseSlt.GetRowValues(index, "课程名")); int stuID = Convert.ToInt32(Session["StudentID"]); string stuName = ta.GetDataBy学生姓名(stuID).Rows[0][2].ToString(); if (tb.GetDataBy判断(stuID, crsID).Rows.Count != 1) { tb.InsertQuery选课表(stuID, crsID, stuName, crsName); Response.Write("<script>alert('选课成功!')</script>"); } else { Response.Write("<script>alert('请勿重复选课!')</script>"); } courseSlt.DataBind(); }