334 lines
10 KiB
C#
334 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.IO;
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using WebLib;
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namespace Education.Forms.課程企劃
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{
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public partial class 數位課程管理 : FormBase
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{
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private DAC_數位課程 Dao數位課程;
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private string docPath;
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protected void Page_Load(object sender, EventArgs e)
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{
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FunctionName = "數位課程管理";
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Dao數位課程 = new DAC_數位課程(conn);
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//Dao數位課程.CurrentUserId = UserId;
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docPath = Server.MapPath("~/DocUpload");
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if (!Directory.Exists(docPath))
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Directory.CreateDirectory(docPath);
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Form_View = FormView1;
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Grid_View = GridView1;
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FormView_DataSource = dsForm;
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GridView_DataSource = dsGrid;
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AddTabButton(MultiView1, view處理, btn處理);
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AddTabButton(MultiView1, view查詢, btn查詢);
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if (!IsPostBack)
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{
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ActivateTab(MultiView1, view處理);
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}
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else
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{
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Grid_View.DataBind();
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Form_View.DataBind();
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if (pnl挑選課程.Visible)
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{
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gv課程挑選.DataBind();
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}
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}
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}
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protected void dsForm_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
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{
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e.ObjectInstance = Dao數位課程;
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}
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protected void dsGrid_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
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{
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e.ObjectInstance = Dao數位課程;
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}
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protected void btnSearch_Click(object sender, EventArgs e)
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{
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Grid_View.PageIndex = 0;
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Grid_View.DataBind();
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}
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protected override void FormView_ReadOnlyDataBound(object sender, EventArgs e)
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{
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base.FormView_ReadOnlyDataBound(sender, e);
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RegisterPostbackTrigger(Form_View.FindControl("btnUpload1"));
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RegisterPostbackTrigger(Form_View.FindControl("btnUpload2"));
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}
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protected override void FormView_InsertDataBound(object sender, EventArgs e)
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{
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base.FormView_InsertDataBound(sender, e);
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RegisterPostbackTrigger(Form_View.FindControl("btnSave"));
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RegisterPostbackTrigger(Form_View.FindControl("btnCancel"));
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Form_View.FindControl("txt課程名稱").Focus();
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FindControl<TextBox>(Form_View, "txt長度").Text = "0";
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FindControl<ValueCheckBox>(Form_View, "cb開放觀看").Checked = true;
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}
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protected override void FormView_EditDataBound(object sender, EventArgs e)
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{
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base.FormView_EditDataBound(sender, e);
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RegisterPostbackTrigger(Form_View.FindControl("btnSave"));
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RegisterPostbackTrigger(Form_View.FindControl("btnCancel"));
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Form_View.FindControl("txt課程名稱").Focus();
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}
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protected override void GridView_DataSource_Selected(object sender, ObjectDataSourceStatusEventArgs e)
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{
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base.GridView_DataSource_Selected(sender, e);
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if (MultiView1.ActiveViewIndex == 1)
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{
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if (e.ReturnValue is 數位課程List list && list.Count > 0)
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ActivateTab(MultiView1, 1);
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else
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lbMessage.Text = "找不到合乎條件的資料";
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}
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}
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private bool 儲存上傳檔案(FileUpload fu, int 課程編號, out string fileName)
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{
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if (fu == null || !fu.HasFile)
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{
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fileName = "";
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return false;
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}
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fileName = String.Format("{0:000000}_{1}", 課程編號, fu.FileName);
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File.WriteAllBytes(docPath + "\\" + fileName, fu.FileBytes);
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return true;
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}
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private void 刪除上傳檔案(int 課程編號, bool del課程文件 = true, bool del評量文件 = true)
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{
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數位課程List d = Dao數位課程.SelectOne(課程編號);
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if (d.Count > 0)
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{
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if (del課程文件 && d[0].課程文件.Length > 0 && File.Exists(docPath + "\\" + d[0].課程文件))
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File.Delete(docPath + "\\" + d[0].課程文件);
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if (del評量文件 && d[0].評量文件.Length > 0 && File.Exists(docPath + "\\" + d[0].評量文件))
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File.Delete(docPath + "\\" + d[0].評量文件);
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}
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}
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protected override void FormView_ItemInserting(object sender, FormViewInsertEventArgs e)
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{
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base.FormView_ItemInserting(sender, e);
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//fu課程文件 = Form_View.FindControl("fu課程文件") as FileUpload;
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//fu評量文件 = Form_View.FindControl("fu評量文件") as FileUpload;
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}
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protected override void FormView_ItemUpdating(object sender, FormViewUpdateEventArgs e)
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{
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base.FormView_ItemUpdating(sender, e);
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//fu課程文件 = Form_View.FindControl("fu課程文件") as FileUpload;
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//fu評量文件 = Form_View.FindControl("fu評量文件") as FileUpload;
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}
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protected override void FormView_DataSource_Inserted(object sender, ObjectDataSourceStatusEventArgs e)
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{
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base.FormView_DataSource_Inserted(sender, e);
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int id = DAC.GetInt32(e.ReturnValue);
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// 處理上傳檔案
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/*
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數位課程List d = Dao數位課程.SelectOne(id);
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if (d.Count > 0)
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{
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string fileName1;
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string fileName2;
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if (儲存上傳檔案(fu課程文件, id, out fileName1))
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{
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d[0].課程文件 = fileName1;
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}
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if (儲存上傳檔案(fu評量文件, id, out fileName2))
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{
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d[0].評量文件 = fileName2;
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}
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Dao數位課程.UpdateOne(d[0]);
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}
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*/
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}
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protected override void FormView_DataSource_Updating(object sender, ObjectDataSourceMethodEventArgs e)
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{
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base.FormView_DataSource_Updating(sender, e);
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數位課程 value = e.InputParameters[0] as 數位課程;
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/*
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string fileName1;
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string fileName2;
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// 刪除舊上傳檔案
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刪除上傳檔案(value.課程編號, fu課程文件.HasFile, fu評量文件.HasFile);
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// 儲存新上傳檔案
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if (儲存上傳檔案(fu課程文件, value.課程編號, out fileName1))
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{
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value.課程文件 = fileName1;
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}
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if (儲存上傳檔案(fu評量文件, value.課程編號, out fileName2))
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{
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value.評量文件 = fileName2;
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}
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*/
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}
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protected override void FormView_DataSource_Deleting(object sender, ObjectDataSourceMethodEventArgs e)
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{
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base.FormView_DataSource_Deleting(sender, e);
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// 刪除上傳檔案
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數位課程 value = e.InputParameters[0] as 數位課程;
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刪除上傳檔案(value.課程編號);
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}
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protected void btnClear_Click(object sender, EventArgs e)
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{
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txt講師_Search.Text = "";
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txt課程名稱_Search.Text = "";
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txt課程簡介_Search.Text = "";
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}
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protected void FormView1_ItemCommand(object sender, FormViewCommandEventArgs e)
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{
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if (e.CommandName == "刪除文件1" || e.CommandName == "刪除文件2")
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{
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數位課程List d = Dao數位課程.SelectOne(DAC.GetInt32(Form_View.SelectedValue));
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if (d.Count > 0)
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{
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string fileName;
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if (e.CommandName == "刪除文件1" && d[0].課程文件.Length > 0)
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{
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fileName = String.Format("{0}\\{1}", docPath, d[0].課程文件);
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if (File.Exists(fileName))
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{
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File.Delete(fileName);
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d[0].課程文件 = "";
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}
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}
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else if (e.CommandName == "刪除文件2" && d[0].評量文件.Length > 0)
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{
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fileName = String.Format("{0}\\{1}", docPath, d[0].評量文件);
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if (File.Exists(fileName))
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{
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File.Delete(fileName);
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d[0].評量文件 = "";
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}
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}
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else
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return;
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Dao數位課程.UpdateOne(d[0]);
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Form_View.DataBind();
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}
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}
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if (e.CommandName == "上傳文件1")
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{
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FileUpload fu = FindControl<FileUpload>(Form_View, "fu課程文件");
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int id = DAC.GetInt32(Form_View.SelectedValue);
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數位課程List d = Dao數位課程.SelectOne(id);
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if (d.Count > 0 && fu.HasFile)
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{
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刪除上傳檔案(id, true, false);
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string fileName;
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if (儲存上傳檔案(fu, id, out fileName))
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{
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d[0].課程文件 = fileName;
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Dao數位課程.UpdateOne(d[0]);
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Form_View.DataBind();
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}
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}
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}
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if (e.CommandName == "上傳文件2")
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{
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FileUpload fu = FindControl<FileUpload>(Form_View, "fu評量文件");
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int id = DAC.GetInt32(Form_View.SelectedValue);
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數位課程List d = Dao數位課程.SelectOne(id);
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if (d.Count > 0 && fu.HasFile)
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{
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刪除上傳檔案(id, false, true);
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string fileName;
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if (儲存上傳檔案(fu, id, out fileName))
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{
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d[0].評量文件 = fileName;
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Dao數位課程.UpdateOne(d[0]);
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Form_View.DataBind();
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}
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}
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}
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}
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protected void ds課程_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
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{
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e.ObjectInstance = Dao課程;
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}
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protected void gv課程挑選_RowCommand(object sender, GridViewCommandEventArgs e)
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{
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if (e.CommandName == "Select")
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{
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// 挑選此課程，把課程相關資料抓出來填入底下
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課程List d = Dao課程.SelectOne(e.CommandArgument.ToString());
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if (d.Count > 0)
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{
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FindControl<DropDownList>(Form_View, "dd課程類別").SelectedValue = d[0].課程類別;
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FindControl<TextBox>(Form_View, "txt課程名稱").Text = d[0].課程名稱;
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FindControl<TextBox>(Form_View, "txt課程簡介").Text = d[0].課程內容;
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}
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}
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}
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protected void btnSelect課程_Click(object sender, EventArgs e)
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{
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//DropDownList ddl課程類別Search = Form_View.FindControl("ddl課程類別Search") as DropDownList;
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//Label lbMessage課程內容 = Form_View.FindControl("lbMessage課程內容") as Label;
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//GridView gv課程挑選 = Form_View.FindControl("gv課程挑選") as GridView;
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if (ddl課程類別Search.SelectedValue == null || ddl課程類別Search.SelectedValue.Length == 0)
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{
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lbMessage課程內容.Text = "請選擇一個課程類別再查詢";
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return;
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}
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gv課程挑選.DataBind();
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if (gv課程挑選.Rows.Count == 0)
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lbMessage課程內容.Text = "找不到合乎條件的課程";
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}
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protected override void FormView_ModeChanged(object sender, EventArgs e)
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{
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base.FormView_ModeChanged(sender, e);
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pnl挑選課程.Visible = Form_View.CurrentMode == FormViewMode.Insert;
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if (pnl挑選課程.Visible)
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gv課程挑選.DataBind();
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}
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}
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}
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