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onKeyUp UpperCase

Posted By:      Posted Date: September 03, 2010    Points: 0   Category :ASP.Net
Hi,I have a TextBox and it should accept only UpperCase characters, that uppercase characters should save in DB.Here in the TextBox AutoPostBack is compulsory. I used this JavaScript in my TextBox controlonkeyup="javascript:this.value=this.value.toUpperCase();"but the text change event is not firing. Can anybody give me suggestions regarding this in JavaScript

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I have 2 controls inside an update panel.

The first is a single line text box. The other is a listbox control.

I'm trying to come up with a barcode scanning system and have this idea below almost working, with one exception.

Here's what I've got...

When the page loads the focus is set to the textbox.

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Databound control set to uppercase

I have the following control:

Business Name:
<asp:TextBox ID="TextBox1" Runat="server" style="text-transform: uppercase" Text='<%# Bind("b_company_name") %>' MaxLength="50"></asp:TextBox>

this setting for uppercase is making sure that all characters typed are displayed to user in uppercase and when the data is read from DB and bound those characters are displayed in uppercase. i also thought that this would write the data to the database in uppercase since it was transformed already.... is this not true? is there some other way to write to the database in uppercase? i would not have known but the same data displayed in grid view was lowercase and i went to database explorer and sure enough all of my newly inserted records were lowercase.

C#Net2008 Using UpperCase and LowerCase command


Hullo Awesome Helpers,

I need your help. Please help me.

I am trying to convert data from TextBox control to either Uppercase or Lowercase. As I have not used these command before with C# my coding is not working:

Here the the codings that are not working

Convert Client name from TextBox into Upper case

string strExt = Uppercase(txtClientname.Text);


Convert Country name from TextBox into Lower case

string strExt = Uppercase(txtClientname.Text);


Error messages generated by both lines of coding

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Error 2 The name 'Lowercase' does not exist in the current contex

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