Disable requiredfieldvalidator with javascript

Question

Firstly I have seen the other threads on this topic and I just want something cleared up that I am stuck on.

I have this textbox control and required field validator:

<td class="style1">
    <asp:TextBox runat="server" ID="txtFirstname"></asp:TextBox>
</td>
<td>
    <asp:RequiredFieldValidator ID="rfvFirstname" runat="server"   ControlToValidate="txtFirstname" >*</asp:RequiredFieldValidator>
</td>

And this javascript code

<script type="text/javascript">
    function chkValidators() {
        alert("enter function chkValidators");
        validatorEnable(document.getElementById('<%rfvFirstname%>'), false);
    }

This is giving me a compilation error:

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. 

Compiler Error Message: CS1002: ; expected

Source Error:

Line 158:            #line default
Line 159:            #line hidden
Line 160:            @__w.Write("\'), false);\r\n         }\r\n   </script>\r\n");
Line 161:        }
Line 162:

Anyone know how to fix this?

Nick

Anybody know how to fix this.

nick gowdy
– nick gowdy

2012-09-19 11:07:37 +00:00
Commented Sep 19, 2012 at 11:07 — nick gowdy
– nick gowdy, Commented Sep 19, 2012 at 11:07

Wilfredo P · Accepted Answer · 2015-09-17 21:40:06Z

4

Have you tried using..

    ValidatorEnable(document.getElementById('<%= rfvFirstname.ClientID %>'), false);

edited Sep 17, 2015 at 21:40

Wilfredo P

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answered Sep 19, 2012 at 11:19

Krishanu Dey

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3 Comments

Sid M Over a year ago

in ClientID 'd' must be capital.

jtate Over a year ago

validatorEnable should be ValidatorEnable (case-sensitive)

smoothumut Over a year ago

make sure EnableClientScript is true

Karthikeyan P · Accepted Answer · 2015-08-25 13:48:49Z

2

We can able to do with jquery like this

$("#ObjectID").removeAttr("data-val-required");

answered Aug 25, 2015 at 13:48

Karthikeyan P

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Comments

Vijay Kumbhoje · Accepted Answer · 2015-09-18 06:54:14Z

0

Here is my script to disable validator and clear the error text upon Checkbox onclick event.

<script language="javascript" type="text/javascript">

       function chktextmiddlenameEnableDisable(obj) {

             document.getElementById('<%=txtMiddleName.ClientID %>').disabled = obj;
             if (obj == true) {
                     document.getElementById('<%=RequiredFieldValidator2.ClientID %>').innerHTML = '';
                     } else {
                              document.getElementById('<%=RequiredFieldValidator2.ClientID %>').innerHTML = 'Please Enter Middle Name';
                     }
              } 


 </script>

On my check box onclick event I called onclick="chktextmiddlenameEnableDisable(this.checked);"

edited Sep 18, 2015 at 6:54

answered Sep 18, 2015 at 2:52

Vijay Kumbhoje

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Comments

Enkode · Accepted Answer · 2015-09-22 23:31:25Z

0

This works for me when the ValidatorEnable() did not.

  document.getElementById("<%=rfvFirstname.ClientID %>").enabled = false;

answered Sep 22, 2015 at 23:31

Enkode

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