protected void Page_Load(object sender, EventArgs e) { // populate the dropdownlist ddlTutor and ddlClass if (!Page.IsPostBack) { // populate the dropdownlist ddlTutor from the method TutorClass objTutor = new TutorClass(); DataSet ds = new DataSet(); int errorcode = objTutor.getTutorDetails(); if (errorcode == 0) { ddlTName.DataSource = ds.Tables["tutordetails"]; ddlTName.DataTextField = "TName"; ddlTName.DataBind(); txtStudentID.Text = Request.QueryString["StudentID"]; txtTitle.Text = Request.QueryString["Title"]; txtText.Text = Request.QueryString["Text"]; ddlTName.SelectedValue = Request.QueryString["TName"]; ddlTClass.SelectedValue = Request.QueryString["tuitionClassID"]; } TuitionClass objTuitionClass = new TuitionClass(); DataSet result = new DataSet(); int code = objTuitionClass.getTuitionDetails(); if (code == 0) { ddlTClass.DataSource = ds.Tables["tuitionclassdetails"]; ddlTClass.DataTextField = "tuitionClassID"; ddlTClass.DataBind(); ddlTName.SelectedValue = Convert.ToString(objTutor.name); ddlTClass.SelectedValue = Convert.ToString(objTuitionClass.tuitionClassID); } DiscussionTopic objDiscussionTopic = new DiscussionTopic(); DataSet ds1 = new DataSet(); int errorcode2 = objDiscussionTopic.getDiscussionTopicDetails(ref ds1); if (errorcode2 == 0) { txtTitle.Text = Request.QueryString["Title"]; txtText.Text = Request.QueryString["Text"]; } } }
protected void ddlTC_SelectedIndexChanged(object sender, EventArgs e) { int tuitionClassID = Convert.ToInt32(ddlTC.SelectedValue); TuitionClass objTuitionClass = new TuitionClass(); objTuitionClass.tuitionClassID = tuitionClassID; DataSet ds = new DataSet(); objTuitionClass.getTuitionDetails(ref ds); gvCT.DataSource = ds.Tables["tuitionclassdetails"]; gvCT.DataBind(); }