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Need jquery to hide and show label

Posted on 2014-03-19
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Last Modified: 2014-06-19
I Have a label called lblMyErr and by default is hidden.  I have a gridview called mygrid and a template textbox called txtSQFT.   What I need is a jquery function I can use on the txtSQFT
textbox, so that if the textbox has been changed it will run this jquery function and make visible the lblmyerr.

The issue is I have a gridview control that is edit mode for all rows.  So I cant use row updating or something like that.  I need a jquery to run on the textbox textchanged event.

thanks

 
<asp:TemplateField HeaderText="Sq Ft" HeaderStyle-HorizontalAlign="Left">
                            <ItemTemplate>
                                <asp:Label ID="lblSqFt" runat="server" Text='<%# Bind("SqFt") %>'></asp:Label>
                            </ItemTemplate>
                            <EditItemTemplate>
                                <asp:TextBox ID="txtSqFT" runat="server" Text='<%# Bind("SqFt") %>' OnTextChanged="sqft_TextChanged"></asp:TextBox>
                                <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="Numbers Only"
                                    Text="*" ValidationExpression="^(?:\d+(?:\.\d{1,2})?)?$" ControlToValidate="txtsqft"></asp:RegularExpressionValidator>
                            </EditItemTemplate>
                            
                        </asp:TemplateField>

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Question by:mgmhicks
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4 Comments
 
LVL 58

Expert Comment

by:Gary
ID: 39940749
<script>
$(function() {
     $("#<%=txtSqFT.ClientID%>").change(function(){
          $("#<%=lblSqFt.ClientID%>").show()
     })
})
</script>

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Author Comment

by:mgmhicks
ID: 39942454
thanks Gary, I'm getting txtsqft does not exist.  I am using a master page if that changes the script at all.
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LVL 4

Expert Comment

by:smeghammer
ID: 40144986
Javascript is case sensitive:

txtSqFT != txtsqft...

Cheers
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LVL 58

Accepted Solution

by:
Gary earned 2000 total points
ID: 40145007
3 months later...

Check txtSqFT and lblSqFt are the correct case.
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