Enable and Disalble Controls

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Hello,

I am using Asp.net C# , I have one dropdownlist filled with data from database for example A,B,C,D
now i have one radiobutton , what i want is when i click A or D from DropDownlist RadioButton get enable , and when i click B or c radiobutton Get Disable.

please help

Posted 22-Sep-14 18:42pm

Member 11014751

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[no name] 23-Sep-14 1:31am

show your code and tell us where is your problem

[no name] 23-Sep-14 3:31am

did you try ? what issue did u face? kindly show your snipset

Member 11014751 23-Sep-14 3:37am

I have changed my Logic ... Thank you

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Ajith K Gatty · Answer 1 · 2014-09-22T19:10:00

Solution 1

Hi Assuming that A,B,C,D are DropDown DataTextField Values, You can use this logic.

C#

function DisableRadioButton(obj) {
       var currentDropDownText = obj.options[obj.selectedIndex].text;
       if(currentDropDownText =="A" || currentDropDownText =="D")
       {
          $('#<%=radioId.ClientID%>').attr('disabled', false);
       }
</pre>

Posted 22-Sep-14 19:10pm

Ajith K Gatty

Comments

[no name] 23-Sep-14 1:15am

Exactly !!

Ajith K Gatty 23-Sep-14 3:55am

Thank you Praneet :)

Praneet Nadkar · Answer 2 · 2014-09-22T19:13:00

Hi,

Did you try doing that using javascript ?

JavaScript

function disableControl(){
   if(document.getElementById('dropdownID').value=="A")
   {
     document.getElementById('radioButtonID').disabled=true;
   }
   else
   {
      document.getElementById('radioButtonID').disabled=false;
   }
  }

I havent tested this code. But this can give you an idea.

Also, check what will be the default selected value for the dropdown.

Regards,
Praneet

Santhosh Babu Mahimairaj · Answer 3 · 2014-09-22T21:47:00

try this ............

<script type="text/javascript">
        function ChangeRdbStatus(ddlvalue)
        {
		var sel = document.getElementById('ddlvalue');
		var selText = sel.options[sel.selectedIndex].text;

            switch(selText)
            {
                case 'A':
 			document.getElementById('radiobuttonName').setAttribute('disabled','disabled');
                   	break;
               	case 'B':
                    document.getElementById('radiobuttonName').removeAttribute('disabled');    
                    break;
                case 'C':
                    document.getElementById('radiobuttonName').removeAttribute('disabled');    
                    break;
		case 'D':
 		   document.getElementById('radiobuttonName').setAttribute('disabled','disabled');
                    break;	
            }
        }
</script>

<asp:dropdownlist id="SelectOrg" runat="server" onclick="ChangeRdbStatus(this)" xmlns:asp="#unknown"></asp:dropdownlist></script>

Enable and Disalble Controls

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