Fixed Validation Method In Windows Form Application.

You may encounter an error code indicating how validation is performed in a Windows Form application. Now there are several ways to solve this problem, so we will do it in a moment.

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g.Step 1. Create a Windows Forms Application. Step 2: Select the form resource “ErrorProvider”. Step 3: Select the text shape and go to its properties. Select Events in properties and double-click Confirmation in the Attention section.

Step 1: Create a Windows application. Step 2: Select the ErrorProvider form toolkit. Step 3: Select the associated text field and go to its properties. In properties select “Events” and under “Focus during Validation” double click.

Introduction

ASP.NET provides operating principles that validate user input. That is, before the user submits their page, there are actually several types of validators that validate our own input. However, in WinForms we cannot get great components. For example, if we pass the correct text to the control, there is a text field named “txtPassword” and then it prompts users to enter a password that starts with a letter and consists of 38 numbers or letters. the txtPassword validation event and event resolution should look like this:

How do I add a validation control to my toolbox?

Add assembly. Open the Time Limit Toolbars, right-click the Lost General and click Select Items.Add a component and customize it. Drag the added validator onto the form as in the first step.Customize the text boxes by checking their properties.Check your form.

How do I apply a validation form?