Repeater全选删除和分页实现思路及代码

复制代码 代码如下:

  <script type="text/javascript">

  function SelectAll(box)

  {

  for(var i=0;i <document.form1.elements.length;i++)

  {

  var e=document.form1.elements[i];

  if((e.type=='checkbox'))

  {

  var o=e.name.lastIndexOf('cbx');

  if(o!=-1)

  {

  e.checked=box.checked;

  }

  }

  }

  }

  </script>

  <body>

  <form id="form1" runat="server">

  <div>

  </div>

  <asp:Repeater ID="Repeater1" runat="server">

  <HeaderTemplate>

  <table>

  <tr><th><input id= "chkHeader" type= "checkbox" onclick= "SelectAll(this)"/>全选</th><th>报到号</th><th>考生号</th><th>姓名</th><th>身份证号码</th><th>家庭地址</th><th>类别</th><th>专业</th></tr>

  </HeaderTemplate>

  <ItemTemplate>

  <tr><td align="center" ><asp:CheckBox ID="cbx" runat="server" /></td><td><asp:Label id="lbl" Text='<%#Eval("id") %>' runat="server" ></asp:Label></td><td><%#Eval("ksh") %></td><td><%#Eval("xm") %></td><td><%#Eval("sfzh") %></td><td><%#Eval("jtdz") %></td><td><%#Eval("jhxzmc") %></td><td><%#Eval("lqzy") %></td></tr>

  </ItemTemplate>

  <FooterTemplate>

  </table>

  </FooterTemplate>

  </asp:Repeater>

  <br />

  <asp:Button ID="btnDel" runat="server" onclick="btnDel_Click" Text="批量删除" OnClientClick="return confirm('确定要删除吗?该操作不可恢复!!!')" />

  <br />

  <br />

  <webdiyer:AspNetPager ID="benren" runat="server" pagesize="2"

  CssClass="anpager" onpagechanged="AspNetPager1_PageChanged"

  FirstPageText="首页" LastPageText="尾页" NextPageText="下一页" PrevPageText="上一页"

  ShowMoreButtons="False" ShowPageIndexBox="Never" AlwaysShow="True">

  </webdiyer:AspNetPager>

  </form>

  </body>

  ==================

  protected void Page_Load(object sender, EventArgs e)

  {

  if (!IsPostBack)

  {

  string username = Session["username"].ToString();

  SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["shan"].ConnectionString);

  conn.Open();

  SqlCommand count = new SqlCommand("select count(*) from do.so where baosongren = '"+username+"'", conn);

  benren.RecordCount = (int)count.ExecuteScalar();

  conn.Close();

  BindData();

  }

  }

  public void BindData()

  {

  string username = Session["username"].ToString();

  SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["shnn"].ConnectionString);

  string sql = "select * from dao where baosongren = '"+username+"' order by ID desc";//这句在大型数据中应该用:select top查询语句

  SqlDataAdapter da = new SqlDataAdapter(sql, conn);

  DataSet ds = new DataSet();

  da.Fill(ds, benren.PageSize * (benren.CurrentPageIndex - 1), benren.PageSize, "temptbl");

  DataTable dt = ds.Tables["temptbl"];

  Repeater1.DataSource = dt;

  Repeater1.DataBind();

  }

  protected void AspNetPager1_PageChanged(object src, EventArgs e)

  {

  //AspNetPager1.CurrentPageIndex = e.NewPageIndex;

  BindData();

  }

  protected void btnDel_Click(object sender, EventArgs e)

  {

  string delId = "";

  //先遍历取得选中项

  for (int i = 0; i < this.Repeater1.Items.Count; i++)

  {

  CheckBox cbx = (CheckBox)Repeater1.Items[i].FindControl("cbx");

  Label lbl = (Label)Repeater1.Items[i].FindControl("lbl");

  if (cbx != null)

  {

  if (cbx.Checked)

  {

  delId += lbl.Text + ",";

  }

  }

  }

  //去掉最后一个,

  delId = (delId + ")").Replace(",)", "");

  //Response.Write("删除的语句是:delete news_sosuo8_ where id_news_ in(" + delId + ")");

  //自己写删除语句吧

  SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["shann"].ConnectionString);

  SqlCommand del = new SqlCommand("delete so where id in(" + delId + ")", conn);

  conn.Open();

  int myupdate = del.ExecuteNonQuery();

  conn.Close();

  if (myupdate > 0)

  {

  Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript'>alert('删除成功!');</script>");

  }

  BindData();

  }