Field - ShowError Method

Set the field in error

Member of Field (PRIM_MD.Input)

Parameters

Name	Type	Data Type	Description
ErrorText	*Input (Optional)	Unicode String	Text to be displayed

Details

The ShowError method is used to highlight the field as being in error.
 
The text specified in the ErrorText parameter will be displayed in the Helper area of the control.
 
The reciprocal ClearError method is used to remove the error state.
 
The HasError property can be used to test whether a field is currently in error.

Example

In this example, a UserID and Password are tested when they change.

Begin_Com Role(*EXTENDS #PRIM_WEB) Height(672) Width(1017)
 
   Define_Com Class(#PRIM_MD.Edit) Name(#UserID) DisplayPosition(1) Label('UserID') Left(24) Parent(#COM_OWNER) TabPosition(1) Top(24) Height(68) Width(377) HelperText('Enter a ')
   Define_Com Class(#PRIM_MD.Edit) Name(#Password) DisplayPosition(2) Label('Password') Left(24) Parent(#COM_OWNER) TabPosition(2) Top(104) Height(68) Width(377)
 
   Evtroutine Handling(#UserID.Changed)
 
      If (#UserID.Value.CurChars < 6)
 
         #UserID.ShowError( 'User ID must be at least 6 characters' )
 
      Else
         #UserID.ClearError
 
      Endif
 
   Endroutine
 
   Evtroutine Handling(#Password.Changed)
 
      If (#Password.Value.IsValidPassword( Medium ))
 
         #Password.ClearError
 
      Else
         #Password.ShowError( 'Min 6 chars, one upper|lower|number' )
 
      Endif
 
   Endroutine
 
End_Com

See also

All Component Classes

Technical Reference

LANSA Version 15, April 2020