error on textchange method

Question

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This is the child page

XML

<asp:TextBox ID="TextBox1" runat="server" BackColor="Bisque" Width="125"
                OnTextChanged="fun()"></asp:TextBox>

XML

<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
    <script type="text/javascript" language="javascript">
        function fun()
       {
       alert('imran')
       }
        </script>
    <div id=" " style="height: 886px">

error is

VB

CS1061: 'ASP.addcategory_aspx' does not contain a definition for 'fun' and no extension method 'fun' accepting a first argument of type 'ASP.addcategory_aspx' could be found (are you missing a using directive or an assembly reference?)

Posted 1-Dec-11 19:13pm

Member 7909353

Updated 1-Dec-11 20:13pm

v3

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4 solutions

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Monjurul Habib · Answer 1 · 2011-12-01T21:18:00

Solution 4

Apply onchange="fun()" instead of OnTextChanged="fun()"
Read the following link for TextBox.OnTextChanged Method
http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.textbox.ontextchanged.aspx[^]

Posted 1-Dec-11 21:18pm

Monjurul Habib

Comments

Prince Antony G 2-Dec-11 3:34am

its is working..try this..my 5+

Monjurul Habib 2-Dec-11 3:34am

thank you

Rubaba 3-Dec-11 11:43am

nice answer.5*

Monjurul Habib 3-Dec-11 13:03pm

thank you Rubaba.

Eduard Lu · Answer 2 · 2011-12-01T19:22:00

Solution 1

Remove 'this' inside fun() method because the method does not contain any parameter. or do vice versa

XML

<asp:TextBox ID="TextBox1" runat="server" BackColor="Bisque" Width="125" onchange="javascript:fun()">

Please mark as answer and vote 5 if this solved your problem

Regards,
Eduard

Posted 1-Dec-11 19:22pm

Eduard Lu

Updated 1-Dec-11 21:39pm

v3

Comments

Prince Antony G 2-Dec-11 3:29am

its not working..still error only comes

[no name] 2-Dec-11 3:35am

how about <asp:TextBox ID="TextBox1" runat="server" BackColor="Bisque" Width="125" OnTextChanged="javascript:fun()">

Prince Antony G 2-Dec-11 3:39am

its gives error

[no name] 2-Dec-11 3:49am

i see. try solution 4 :P

Abhi KA · Answer 3 · 2011-12-01T19:25:00

Solution 2

Remove this in fun(this)
void is also not required remove it

Quote:
<asp:textbox id="TextBox1" runat="server" backcolor="Bisque" width="125" xmlns:asp="#unknown" OnTextChanged="fun()">

Posted 1-Dec-11 19:25pm

Abhi KA

Updated 1-Dec-11 21:41pm

v2

Comments

Prince Antony G 2-Dec-11 3:31am

xmlns:asp="#unknown" -- what it indicate

Abhi KA 2-Dec-11 3:39am

remove that its not working

<asp:textbox id="TextBox1" runat="server" backcolor="Bisque" width="125" OnTextChanged="fun()">

Prince Antony G 2-Dec-11 3:42am

<asp:TextBox ID="TextBox1" runat="server" backcolor="Bisque" Width="125" onchange="fun()">

it will work

Abhi KA 2-Dec-11 3:45am

if worked perfectly upvoted 5

Code 89 · Answer 4 · 2011-12-01T19:31:00

Solution 3

add this

OnTextChanged="fun()"

go thru this link
click

Posted 1-Dec-11 19:31pm

Code 89