javascript function is not working due to default button

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on pageload i set default button like

C#

this.Form.DefaultButton = ImageButton2.UniqueID;

due to this some number code script is not working in form

the code is

HTML

<script type="text/javascript">
                       
 function alpha(e) 
            { 
	    var k;
            document.all ? k = e.keyCode : k = e.which;
            return ((k > 64 && k < 91) || (k > 96 && k < 123) || k == 8 || k==32);
	    }
</script>

XML

<asp:TextBox ID="txtpartyhallname"  runat="server" Width="200px" CssClass="WaterMarkedTextBox" onkeypress="return alpha(event)" >

I have to allow text only in this textbox.

Any suggestions required

Posted 7-Dec-11 22:13pm

swarup65

Updated 7-Dec-11 22:15pm

Eduard Lu

v3

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[no name] 8-Dec-11 4:16am

EDIT: added "pre" tags

2 solutions

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Jitendra Parida - Jeetu · Answer 1 · 2011-12-07T22:39:00

Solution 1

Hi,

Remove your pageload code it is fine working.

remove this:

C#

this.Form.DefaultButton = ImageButton2.UniqueID;

Posted 7-Dec-11 22:39pm

Jitendra Parida - Jeetu

Comments

swarup65 8-Dec-11 4:47am

if i remove page load code how can i will set default button for the page.

Jitendra Parida - Jeetu 8-Dec-11 5:04am

Why you want to set default button for the page.
What is the your requirement please write here.

swarup65 8-Dec-11 6:57am

Hi jitendra,

Actually iam working with content page if i didn't set default button, when the user submitting form if simply he press the enterkey in keyboard it's firing masterpage control default button.
so how can i will set default button

swarup65 8-Dec-11 6:59am

Hi sravan,

by default textbox have not a property of onKeypress but it will support.

How can i will add javascript function in codebehind could u say?

swarup65 8-Dec-11 7:55am

Hi sravan,
i tried like this in pageload
txtpartyhallname.Attributes.Add("onKeypress", "javascript:alpha(this)");

but it's not working

Jitendra Parida - Jeetu · Answer 2 · 2011-12-08T19:03:00

Hi Swarup,

Some changes make your code, it is fine work.

XML

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<script type="text/javascript">

 function alpha(e)
            {
        var k;
            document.all ? k = e.keyCode : k = e.which;
            return ((k > 64 && k < 91) || (k > 96 && k < 123) || k == 8 || k==32 || k==13);
        }
</script>
<asp:TextBox ID="txtpartyhallname"  runat="server" Width="200px" CssClass="WaterMarkedTextBox" onkeydown="return alpha(event)" ></asp:TextBox>
    <asp:ImageButton ID="ImageButton2" runat="server"
        onclick="ImageButton2_Click" />

</asp:Content>