TextBox - preventing a space - social. msdn. microsoft. com They allow spaces, and have numerous other problems One of the other problems that all of the posted solutions don't handle is when the user has selected multiple characters in the textbox and intends on replacing them with a keystroke To handle this, I compute the expected resulting string given the proposed text, like this:
C# WPF MVVM textbox validate - social. msdn. microsoft. com I need validate textbox only after I press Enter key For this I use behavior on textbox: private static void EnterValuePreviewKeyDown (object sender, KeyEventArgs e) { TextBox tb = (TextBox)sender; switch (e Key) { case Key Return: BindingExpression exp = tb GetBindingExpression (TextBox TextProperty); exp UpdateSource (); break; } }
Adding TextBox to TreeNode - social. msdn. microsoft. com The derived node overrides the method R enderPostText and renders additional TextBox after base class method call The problem is that text boxes don't belong to any control and thow don't restore text entered by user When posting back the page I get no data in text boxes See the source code below Can you suggest me what to to ?
How to get TextBox Value in the OnInit () The first parameter is the number of trips to add The rest of the parameteres dont matter for this question I call RenderTopPrview in the OnInit method since the textbox controls created in the RenderTopPreview () are dynamiclay and I must use FindControl to get their values when the Save button is clicked