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#Errorprovider vb.net icon placement how to#
#Errorprovider vb.net icon placement code#

You can also download the source code of this example. If the user hovers the mouse over the error icon, then it shows an error description string that we have declared in the setError() method. The setError method sets the error description string for the specified control.

This is done using the " setError()" method. In the " txt_nameValidating()" event, if txt_name is left empty, then it shows error. Regex numberchk= new Regex( ^(*|\d*)$") ĮrrorProvider3.SetError(txt_age, " Correct") ĮrrorProvider2.SetError(txt_age, " Wrong format") Set the Icon for errorProvider1 (warning), errorProvider2 (wrong or cross. I have also created a button but there is no use for it (in the example). Set text boxes are named txtname and txtage. Void Txt_ageValidating( object sender, e)ĮrrorProvider1.SetError(txt_age, " Please provide age") Place two text boxes (for getting name and age) and three ErrorProvider controls from the toolbox. In addition to defaults imports, I am adding Regular Expression library support for the txt_age text box as in the following:Ĭopy Code void Txt_nameValidating( object sender, e)ĮrrorProvider1.SetError(txt_name, " Please Enter Name") ĮrrorProvider3.SetError(txt_name, " Correct").I will use the warning errorprovider when the user leaves a text box blank, use a cross or wrong when the user enters incorrect format (for the Age text box) and a tick icon for when all conditions are satisfied. Set the Icon for errorProvider1 (warning), errorProvider2 (wrong or cross) and errorProvider3 as a tick mark (for a correct entry).Please refer the following documentation and sample for your reference. We have prepared the simple sample to show the ErrorIcon and disable the ErrorMessageBox in CurrentCellErrorMessage event handler. Set text boxes are named txt_name and txt_age. It does not display the icon if there is no validation.

Place two text boxes (for getting name and age) and three ErrorProvider controls from the toolbox.

Create a new Windows Forms Application.

In this example, I will use a Display Warning icon, wrong icon (when an incorrect expression is entered or a Tick icon depending upon the data entered in the text box so that the user can determine that data entered is correct or incorrect.

#Errorprovider vb.net icon placement how to#

In this tip and trick, I am going to show you how to use error provider control in Windows Form application(C#).Īctually, the error provider alerts the user that something is wrong.