Ajax FilteredTextBoxExtender on multiline textBox

Question

1.00/5 (1 vote)

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.NET3.5

Hey all,

I am facing problem in Ajax FilteredTextBoxExtender.

Here is my sample code
Textbox

XML

<asp:TextBox ID="txthdrRemarks" runat="server"  CssClass="textBox" TextMode="MultiLine"
                   Width="400px"></asp:TextBox>

Ajax FilteredTextBoxExtender

XML

<ajaxToolkit:FilteredTextBoxExtender ID=&quot;Filteredtextboxextender1&quot; runat=&quot;server&quot; FilterType=&quot;Custom, Numbers, UppercaseLetters, LowercaseLetters&quot;
    TargetControlID=&quot;txthdrRemarks&quot; ValidChars=&quot;a-z/-\.,!@#$%^&amp;*()+|~&lt;&gt;;:&#39;{}[]-?> </ajaxToolkit:FilteredTextBoxExtender>

When ever i write in taxtbox its working fine. but when i press "Enter Key"
its not working.
Please help me..

Regards
Rikin

Posted 21-May-13 20:33pm

Rikin 123

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VICK 22-May-13 6:44am

It seems from the above code that You are allowing any type of data in your text box,, and if it is so,, than what is the need of Extender here???? :(

3 solutions

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**Orcun Iyigun** · Answer 1 · 2013-05-21T21:07:00

Solution 1

You should add the "Enter Key" to your valid chars as well.

C#

protected void Page_Load(object sender, EventArgs e)
{
    FilteredTextBoxExtender1.ValidChars = FilteredTextBoxExtender1.ValidChars + "\r\n";
}

==OR==

You can write your own extender. Have a look at this link.[^]

Good luck,
OI

Posted 21-May-13 21:07pm

Orcun Iyigun

Updated 21-May-13 21:09pm

v2

SUMAN GUPTA · Answer 2 · 2014-12-12T01:06:00

Put this its working 100%. It restricts invalid characters and accepts enter too...

XML

<cc1:FilteredTextBoxExtender ID="txtRemark_FilteredTextBoxExtender" runat="server" Enabled="True"
                                                    FilterMode="InvalidChars" InvalidChars="~!@$#%^&amp;*_+{}=,;[]\/':`|&nbsp;&lt;&gt;&quot;?"
                                                    TargetControlID="txtRemark">
                                                </cc1:FilteredTextBoxExtender>

Rikin 123 · Answer 3 · 2013-05-21T22:07:00

Solution 2

Dear OI,
Thanx a lot for suggestion.
I tried that one but not working at all..
when i press enter key it automatically come back to previous line. :(

I cant understand what's problem..

Posted 21-May-13 22:07pm