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Questions - textbox

How can I remove a character from a C#.net WPF textbox before it's shown?

I have a project in C#.net using a WPF textbox that validates a character like * as the first character entered. If this character is entered, the rest of the text is good but I cannot show nor use th...
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Pendonep

c#

wpf

textbox

keydown

keyup

Votes: 0

Answers: 2

Latest Answer

it may be a bit of a rough solution but you could use a PreviewTextInupt event I belive. private bool PrefixValidated = false; private string CheckUserInput; private void TextBox1_Preview...
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Dark Templar

event in textbox for binding source filter datagridview for string type in vb.net

is there a solution for events in the textbox for binding source filters for string types. The example screenshot below with the code "1000*" should appear directly appear cell gridvivew but...
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Jack

vb.net

events

gridview

textbox

bindingsource

Votes: 0

Answers: 1

Latest Answer

You have used the LIKE operator, in which case an asterisk is treated as a wildcard. If you only want full matches and not partial matches then use the equality operator, not the LIKE operator: source...
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user18387401

How to programmatically invoke the Click event handler of a TextBox

I know how to programmatically invoke the event handler of a Button: button1.PerformClick(); I would like to do the same for the Click event handler of a TextBox. The problem is that TextBox does ...
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user2102327

c#

winforms

events

textbox

click

Votes: 0

Answers: 1

Latest Answer

I suggest method extraction (why should we mix UI - windows messages and Business Logic): //TODO: put a better name here private void onMyTextBoxClick() { //TODO: relevant code here } private void...
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Dmitry Bychenko

wants events in textbox with MessageBox and not gridview filter state if code is not found in vb.net

I want to appear MessageBox and not gridview filter state if code is not found. Dim source1 As New BindingSource() Private Sub TextBox2_KeyDown(ByVal sender As Object, ByVal e As KeyEventArgs) Handles...
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Jack

vb.net

events

gridview

textbox

bindingsource

Votes: 0

Answers: 1

Latest Answer

Add another if statement inside the else then check if the source1 has rows, if rows <= 0 then clear the filter and the textbox. UPDATED Dim source1 As New BindingSource() Private Sub TextBox2_KeyD...
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Kuro Neko

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