/** 以下為各控制項內置的方法 **/ // 頁面載入時,觸發此方法 protected void Page_Load(object sender, EventArgs e) { // 第一次載入頁面時 // 自動選擇最小的學期並顯示資料 // (美觀,可避免尚未搜尋資料時的頁面空白) if (!IsPostBack) { Batch_DDL.SelectedIndex = 0; Batch_DDL.DataBind(); SemesterChanged(int.Parse(Batch_DDL.SelectedValue)); } }
//當使用者變更下拉式選單內所選的期別時,觸發此方法 protected void Batch_DDL_SelectedIndexChanged(object sender, EventArgs e) { //接收自控制項傳入的資料, //以讓多個控制項共用同一方法,達成精簡程式碼的目的 Selected_Batch_DDL = (DropDownList)sender; Batch_DDL.DataBind(); Batch_DDL.SelectedValue = Selected_Batch_DDL.SelectedValue; int Batch = int.Parse(Selected_Batch_DDL.SelectedValue); //根據使用者所選期別,自資料表內調出資料 //調出學生資料 Student_SDS_ForGV.SelectCommand = "SELECT Student.ID, Name, Ch_Title, First_Commit, Second_Commit, Third_Commit, First_Prof FROM Student WHERE Batch = " + Batch + ";"; //調出教師資料 Teacher_SDS_ForGV.SelectCommand = "SELECT * FROM [Teacher] , [ExamPoint_Log] WHERE Batch = " + Batch + ";"; //刷新頁面中四個Grid_View控制項,以更新顯示內容 Student_GV.DataBind(); Teacher_GV.DataBind(); //計算Student_GV共有幾列資料 int ST_DataRow = Student_GV.Rows.Count; //將指導教師及三名審查委員之資料(教師編號)替換為相對應的教師姓名 int Row_Count = 0; int Col_Count; string Data_Value; // while (Row_Count < ST_DataRow) { for (Col_Count = 6; Col_Count <= 8; Col_Count++) { Data_Value = Student_GV.Rows[Row_Count].Cells[Col_Count].ToString(); //Student_GV.Rows[Row_Count].Cells[Col_Count] = ; } Row_Count++; } }