textbox which allows users to accept lower case but after keypressing it changes to upper case

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I want a textbox which allows the user to accept lower case but after keypressing it changes to upper case. For this I am using this code but it is giving the problem like it changes the text into uppercase but in reverse order. pls help me to do this.

C#

private void textBox1_KeyUp(object sender, KeyEventArgs e)
      {
          textBox1.Text=textBox1.Text.ToUpper();
      }

Posted 30-Oct-12 1:17am

Imteyaz Ahmed

Updated 30-Oct-12 1:26am

Sushil Mate

v2

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Thomas Daniels 30-Oct-12 7:20am

What do you mean with 'change the text into uppercase in reverse order'?

Imteyaz Ahmed 30-Oct-12 7:22am

I am writing "imteyaz" but its is accepting like "ZAYTEMI" and the cursor is at the starting position.

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OriginalGriff · Accepted Answer · 2012-10-30T01:24:00

:laugh:
It's not that the data is being entered in reverse, it's that when you set the Text property, the insertion point is moved to the beginning of the control each time. Try this:

C#

int cursor = textBox1.SelectionStart;
textBox1.Text = textBox1.Text.ToUpper();
textBox1.SelectionStart = cursor;

But I would probably have used TextChanged event instead, as it will avoid the odd visual effect you will get, and make sure that pasted data is also in upper case.

If you do use TextChanged, set a flag, because setting the Text property will cause a TextChanged event, which will set the Text property, which...