asp.net Checbox在GridView中的应用实例分析

本文实例讲述了asp.net checbox在gridview中的应用方法。分享给大家供大家参考，具体如下：

先看效果图：

前台代码：样式自己定义哦！

<div style="text-align: center; width: 80%">
   <yxy:hkrgridview id="tabgridview1" runat="server" autogeneratecolumns="false" width="100%"
     onrowdatabound="hkrgridview1_rowdatabound" onrowcreated="hkrgridview1_rowcreated"
     showheader="true" allowpaging="false" datakeynames="keyid" showfooter="false">
     <columns>
       <asp:boundfield>
         <itemstyle horizontalalign="center" width="5%" />
       </asp:boundfield>
       <asp:templatefield>
       <itemtemplate>
       <a href='<%#databinder.eval(container.dataitem,"newname")%>' ><%#databinder.eval(container.dataitem,"oldname")%></a>
       </itemtemplate>
       </asp:templatefield>
     <asp:boundfield datafield="memo">
         <itemstyle width="20%" horizontalalign="left" />
       </asp:boundfield>
       <asp:templatefield>
         <itemtemplate>
           <asp:checkbox id="checkbox" runat="server" />
         </itemtemplate>
         <itemstyle horizontalalign="center" width="5%" />
       </asp:templatefield>
     </columns>
     <footerstyle forecolor="red" horizontalalign="center" font-bold="true" />
   </yxy:hkrgridview>
   <div id="divone" style="text-align: right">
     <asp:checkbox id="checkboxall" runat="server" text="全选" width="80px" autopostback="true"
       oncheckedchanged="checkboxall_checkedchanged" />
     <asp:checkbox id="checkbox1" runat="server" text="反选" width="80px" autopostback="true"
       oncheckedchanged="checkbox1_checkedchanged" />
     <asp:button id="button1" runat="server" text="取　消" cssclass="button" onclick="button1_click" />
   </div>
</div>

后台代码：

protected void hkrgridview1_rowcreated(object sender, gridviewroweventargs e)
{
    if (e.row.rowtype == datacontrolrowtype.header)
    {
      tablecellcollection tcheader = e.row.cells;
      tcheader.clear();
      //第一行表头
      tcheader.add(new tableheadercell());
      tcheader[0].text = "序号<br>no.";
      tcheader.add(new tableheadercell());
      tcheader[1].text = "附件名称";
      tcheader.add(new tableheadercell());
      tcheader[2].text = "备注";
      tcheader.add(new tableheadercell());
      tcheader[3].text = "选择</tr>";
    }
}
protected void hkrgridview1_rowdatabound(object sender, gridviewroweventargs e)
{
    gridviewrow gr = e.row;
    if (e.row.rowindex != -1)
    {
      e.row.cells[0].text = (e.row.rowindex + 1).tostring();
    }
}
private void hkrgridviewbind(){
    string strsql = "select keyid,newname, oldname, localhome,memo from aq_file_up where (relaid = @relaid) and (fjtype = @fjtype) and (usestatus = 1)";
    sqlparameter[] sps = {
              new sqlparameter("@relaid",this.hdnrelaid.value),
              new sqlparameter("@fjtype",this.hdnfjtype.value)
               };
    datatable dt = pms.sqlhelper.executedatatable(commandtype.text, strsql, sps);
    tabgridview1.datasource = dt;
    tabgridview1.databind();
}
rotected void button1_click(object sender, eventargs e)
{
    checkboxall.checked = false;
    checkbox1.checked = false;
    for (int i = 0; i <= tabgridview1.rows.count - 1; i++)
    {
      checkbox cb = (checkbox)tabgridview1.rows[i].findcontrol("checkbox");
      cb.checked = false;
    }
}
protected void checkbox1_checkedchanged(object sender, eventargs e)
{
   for (int i = 0; i <= tabgridview1.rows.count - 1; i++)
    {
      checkbox cb = (checkbox)tabgridview1.rows[i].findcontrol("checkbox");
      if (cb.checked == false)
      {
        cb.checked = true;
      }
      else
      {
        cb.checked = false;
      }
    }
    //checkbox1.checked =true;
    checkboxall.checked = false;
}
protected void checkboxall_checkedchanged(object sender, eventargs e)
{
   for (int i = 0; i <= tabgridview1.rows.count - 1; i++)
    {
      checkbox cb = (checkbox)tabgridview1.rows[i].findcontrol("checkbox");
      if (checkboxall.checked == true)
      {
        cb.checked = true;
      }
      else
      {
        cb.checked = false;
      }
    }
    checkbox1.checked = false;
}

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