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【Asp.Net】 Datalist结合checkbox实现多选，全选

作者:Dezai.CN / 发布于2013/2/28/ 926


	private static int pageIndex = 1;
	private static int pageSize = 15;
	private static string comUrl = "MessageList.aspx";
	 DataSet ds = new DataSet();
	 protected void Page_Load(object sender, EventArgs e)
	 {
	 if (!Page.IsPostBack)
	 {
	 if (Request.UrlReferrer != null)
	 {
	 comUrl = Request.UrlReferrer.ToString();
	 }
	
	 if (!string.IsNullOrEmpty(Request["ID"]))
	 {
	 int id = Convert.ToInt32(Request["ID"]);
	 MessageHelper.Delete(id);
	 Response.Redirect(comUrl);
	 }
	 messageBind();
	 }

	 }

	private void messageBind()
	{

	 ds = MessageHelper.GetList(pageSize, pageIndex, "");
	 Repeater1.DataSource = ds;
	 Repeater1.DataKeyField = "ID";
	 Repeater1.DataBind();
	
	 int recordCount = Common.getRecordCount("Message", "");
	 if (CheckBox2.Checked == true)
	 {
	 for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
	 {
	 CheckBox ck = (CheckBox)Repeater1.Items[i].FindControl("CheckBox1");
	 ck.Checked = true;
	 }
	 }
	 AspNetPager1.RecordCount = recordCount;
	 AspNetPager1.PageSize = pageSize;
	 AspNetPager1.CurrentPageIndex = pageIndex;
	 AspNetPager1.CustomInfoHTML = "总计" + recordCount + "条";
	 AspNetPager1.CustomInfoHTML += " 每页" + pageSize + "条";
	 AspNetPager1.CustomInfoHTML += " 第" + pageIndex + "/" + AspNetPager1.PageCount + "页";
	}
	protected void AspNetPager1_PageChanging(object src, Wuqi.Webdiyer.PageChangingEventArgs e)
	{
	 pageIndex = e.NewPageIndex;
	 messageBind();
	}
	 protected void CheckBox2_CheckedChanged(object sender, EventArgs e)
	 {
	 messageBind();
	 if (CheckBox2.Checked==true)
	 {
	 for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
	 {
	 CheckBox ck = (CheckBox)Repeater1.Items[i].FindControl("CheckBox1");
	 ck.Checked = true;
	 }
	 }
	 else
	 {
	 for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
	 {
	 CheckBox ck = (CheckBox)Repeater1.Items[i].FindControl("CheckBox1");
	 ck.Checked = false;
	 }
	 }
	 }
	 protected void Button2_Click(object sender, EventArgs e)
	 {
	 messageBind();
	 this.CheckBox2.Checked = false;
	 for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
	 {
	 CheckBox ck = (CheckBox)Repeater1.Items[i].FindControl("CheckBox1");
	 ck.Checked = false;
	 }
	 }
	 protected void Button1_Click(object sender, EventArgs e)
	 {
	 for (int i = 0; i < this.Repeater1.Items.Count; i++)
	 {
	 CheckBox ck = (CheckBox)Repeater1.Items[i].FindControl("CheckBox1");
	 if (ck.Checked == true)
	 {
	 int id = Convert.ToInt32(Repeater1.DataKeys[i].ToString());
	 MessageHelper.Delete(id);
	
	 }
	 }
	 Response.Redirect(Request.UrlReferrer.ToString());
	 }

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　Datalist　

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