disable multiple checking of checkboxes

Question

hi all, i have used a reapeter control in which i am using checkbox in id field.I need to disable the multiple checking of checkbox.how is it possible to do. Plz help me as soon as possible.

Amit Choudhary · Answer

try this code to know how to access the checkboxes in a server repeater control: function CheckValues(source, args) { //change the values of these 2 variables //to reflect the name of your Repeater/DataGrid //and CheckBox var ctrl = 'repContacts'; var cbName = 'cbSelect'; //make sure that you set this with the name //of your form var objForm = document.form1; var errorCount = 0; //get the name of the controls in the list var ctrlName = ctrl + '_ctl00_' + cbName; var chkBox = DOMCall(ctrlName); //check to make sure there isnt a problem //with your Repeater/DataGrid if(chkBox == null) { alert ('There was an issue checking the *'+cbName+'* check box in the *'+ctrl+'* control'); return errorCount; } var isChecked = false; //very important to start at 0 var i = 0; ctrlName = ctrl + '_ctl0' + i + '_' + cbName; var curItem = DOMCall(ctrlName); if(null == curItem) { alert ('It was null'); // something is wrong. Probably one of the 'Customize Values' } //start looping through the Repeater/DataGrid while (curItem != null) { //to check items inside the DataGrid/Repeater //using the != null check should keep it from getting locked up if (curItem.checked == true) { isChecked = true; } //now check to see the value of i, if it's equal //or greater than 10 we need to change how we look //for the next control if(i >= 10) { ctrlName = ctrl + '_ctl' + i + '_' + cbName; } else { ctrlName = ctrl + '_ctl0' + i + '_' + cbName; } curItem = DOMCall(ctrlName); i += 1 } //if nothing was selected alert the user if (isChecked == false) { alert('Your need to select at least 1 contact in your list'); return false; errorCount+=1; } return isChecked; } //function to use whatever DOM Object //the users browser has function DOMCall(name) { //Checks the DOM features available if (document.layers) //checks document.layers return document.layers[name]; else if (document.all) //checks document.all return document.all[name]; else if (document.getElementById) //checks getElementById return document.getElementById(name); } //sample usage in C# Button1.Attributes.Add("onclick","return CheckValues(); return false;");

disable multiple checking of checkboxes

Answers (1)