errorprovider

disable validation of errorprovider when click cancel button

由 冷暖自知 提交于 2019-12-01 16:02:07
问题 is there a way to disable the validation of errorprovider elegantly when click cancel button to dismiss a winform? The validation always happens when the textbox lose focus, and i don't wanna it to validate when the user click cancel button, it is just a little bit silly to validate when the user clicking cancel. 回答1: after googling, found the answer, just set CauseValidation property of the cancel button to false. that's it. 回答2: I just ran into this myself and setting CauseValidation =

How to display a Labels 'Error on ErrorProvider1'

由 佐手、 提交于 2019-12-01 08:00:51
Goal I want to display the text that I put in the Label's "Error on ErrorProvider1" attribute whenever I get an error. See the following label's attributes below. I try to display the text in the red rectangle into my ErrorProvider1 SetError(control, value) function. If TextBox1.Text.Trim.Contains("'") Then ErrorProvider1.SetError(lblErr, ErrorProvider1.GetError(lblErr)) Else ErrorProvider1.SetError(lblErr, "") End If How can I retrieve the 'Error on ErrorProvider1' text from the lblErr to display it in the ErrorProvider1 SetError value? Your issue is that you are replacing the error message

How to display a Labels 'Error on ErrorProvider1'

由 ε祈祈猫儿з 提交于 2019-12-01 07:12:11
问题 Goal I want to display the text that I put in the Label's "Error on ErrorProvider1" attribute whenever I get an error. See the following label's attributes below. I try to display the text in the red rectangle into my ErrorProvider1 SetError(control, value) function. If TextBox1.Text.Trim.Contains("'") Then ErrorProvider1.SetError(lblErr, ErrorProvider1.GetError(lblErr)) Else ErrorProvider1.SetError(lblErr, "") End If How can I retrieve the 'Error on ErrorProvider1' text from the lblErr to

C# WinForms ErrorProvider Control

由 …衆ロ難τιáo~ 提交于 2019-11-26 20:49:42
Does anyone know if there is a way to get a list of controls that have the ErrorProvider icon active. ie. any controls that failed validation. I'm trying to avoid looping all controls in the form. I'd like to display some sort of message indicating how many errors there are on the form. As my form contains tabs I'm trying to make it apparent to the user that errors may exist on inactive tabs and they need to check all tabs. Thanks Barry This falls in the category of "how can you not know". It is your code that is calling ErrorProvider.SetError(), you should have no trouble keeping track of how

C# WinForms ErrorProvider Control

由 ￣綄美尐妖づ 提交于 2019-11-26 07:45:15
问题 Does anyone know if there is a way to get a list of controls that have the ErrorProvider icon active. ie. any controls that failed validation. I\'m trying to avoid looping all controls in the form. I\'d like to display some sort of message indicating how many errors there are on the form. As my form contains tabs I\'m trying to make it apparent to the user that errors may exist on inactive tabs and they need to check all tabs. Thanks Barry 回答1: This falls in the category of "how can you not
订阅 errorprovider