C # GridView CheckBox implements a single selection

About the GridView Add a checkbox, how to use JS to add a radio event, in fact, the code is not very difficult, but the original also checked the information, only for record, master bypass ha. The format in ASPX is as follows:

<div>    <table>        <td>< Asp:gridview id= "Humidnmgridview" >             <Columns>                <asp:TemplateField>                       <HeaderTemplate>                           <asp:image id= "oimg"  runat= "Server"  imageurl= ". /.. /images/icon_sure.gif ">                          </asp:image> //icons can be ignored                         
 The following is javascript: 
 
 
var clickcount = 0; //Judging the same checkbox continuous clicks          var precheckboxid =  "";  //record click on the checkbox id        / /gridviewid  for the Id        function singlecheck of the incoming GridView ( Divgridview, selectcheckbox)  {             //console.info (Divgridview);             // Console.info (Selectcheckbox);             // Determine whether consecutive clicks of the same checkbox            if  ( Precheckboxid == selectcheckbox)  {                 ClickCount += 1;             } else  {                precheckboxid  = SelectCheckBox.id;                 ClickCount = 0;             }            //find the divid  containing the checkbox            var GridViewList =  document.getElementById (Divgridview);             / /Get more input            var objs = in divID  gridviewlist.getelementsbytagname ("input");             for  (var i = 0; i < objs.length; i++)  {                 if  (Objs[i].type.tolowercase ()  ==  " CheckBox ")  {                     objs[i].checked = false;                 }                 var SelectCheckBoxId = SelectCheckBox.id;                 // CheckBox is selected if the number of clicked checkboxes is odd, but not selected                  if  (clickcount % 2 != 1)  {                      document.getElementById (SELECTCHECKBOXID) .checked = true;                } else  {                     document.getelementbyid (SELECTCHECKBOXID) .checked = false;                 }             }        }


C # GridView CheckBox implements a single selection