如何从javascript启用和禁用RadNumeric文本框?

问题描述

以下脚本不适用于Radnumeric Textbox.
请提供任何建议.

the following script not working for Radnumeric Textbox.
please provide any suggetions.

function SetCostStructure(rblId,txtEECost,txtERCost) {
           debugger;
           var rblCost = document.getElementById(rblId);
           var selectedvalue;
           var options = rblCost.getElementsByTagName('input');
           for (var j = 0; j < options.length; j++)
           {
               if (options[j].checked)
                {
                    selectedvalue = options[j].value;
                   break;
               }
           }
           var txtEE = $find(txtEECost);
           var txtER = $find(txtERCost);
           switch (selectedvalue) {
               case '0':
                break;
            case '1':
                txtEE.disabled = true;
                txtER.disabled = false;
                break;
            case '2':
                txtER.disabled = true;
                txtEE.disabled = false;
                break;
           }
       }

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