How to get value of textbox when I am assigning it from javascript?

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I have one checkbox when i check that checkbox the value of other text box should be assigned to that text box and it get disabled ,but when i unchecked it user should input his own value.

Once i check and insert the same values it get saved to that value, but next time when i update the text boxes i am not able to read new values.

My Javascript function is like this.

function SetValues(ObjId) {

           if (document.getElementById(ObjId).checked) {
                document.getElementById('<%= txtBillAddr1.ClientID %>').value =
                    document.getElementById('<%= txtadress.ClientID %>').value;
                document.getElementById('<%= txtBillAddr2.ClientID %>').value =
                    document.getElementById('<%= txtAddr2.ClientID %>').value;
                document.getElementById('<%= txtBillCity.ClientID %>').value =
                    document.getElementById('<%= txtCity.ClientID %>').value;
                document.getElementById('<%= txtBillState.ClientID %>').value =
                    document.getElementById('<%= txtState.ClientID %>').value;
                document.getElementById('<%= ddlBillCountry.ClientID %>').value =
                    document.getElementById('<%= ddlcountry.ClientID %>').value;
                document.getElementById('<%= txtBillZipCode.ClientID %>').value =
                    document.getElementById('<%= txtZIP.ClientID %>').value;
                document.getElementById('<%= txtBillContctperson.ClientID %>').value =
                    document.getElementById('<%= txtcontactperson.ClientID %>').value;
                document.getElementById('<%= txtBillPhNo.ClientID %>').value =
                    document.getElementById('<%= txtPhone.ClientID %>').value;
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
                document.getElementById('').setAttribute("readonly", "readonly");
                document.getElementById('').setAttribute("style", "background-color:#DCDCDC");
            }
            else {
               
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");
                document.getElementById('').removeAttribute("readonly");
                document.getElementById('').setAttribute("style", "background-color:#FFFFFF");

            }
        }

What I have tried:

I added update panel for that block where my text boxes exists.
Still not working as required.

Posted 10-Jul-17 19:16pm

Member 13303332

Updated 10-Jul-17 23:24pm

Andy Lanng

v3

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Comments

Andy Lanng 11-Jul-17 4:33am

What do you mean "next time"? take me through the process one step at a time

ZurdoDev 11-Jul-17 8:18am

Just debug it. Simple.

1 solution

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Atlapure Ambrish · Answer 1 · 2017-07-10T23:24:00

Solution 1

Can you try adding and removing attribute like below instead and let me know if this resolves your problem?

To set readonly attribute -
document.getElementById('').attr("readonly", true);

To remove it -
document.getElementById('').attr("readonly", false);

Posted 10-Jul-17 23:24pm

Atlapure Ambrish