Combobox validating event c

The C# code snippet will enable the data cell validation in a textbox column for entering only none empty strings, which will disable the data validation and display the error indicator at the row header.Has Rows)" out of the code, change it with "if(rid.To String()) -- Hope it helps, bye @Mitja this is my new code that i based from what you said i hope i did it the way you wanted because it still didn't work Private Sub Combo Box3_Selected Index Changed(By Val sender As System.ACE.oledb.12.0; Data Source=C:\Users\edenzam\Desktop\CBFMNHS Enrollment System\CBFMNHS Enrollment System\bin\Debug\Enrollment System.accdb") Dim ewaaa As String = "Select * from Schedulings where Year Levels = '" & Combo Box3.Text & "' " com = New Ole Db Command(ewaaa, con) con.So before saving data, I want to validate whether all the required fields are filled (Text Boxes) by the user.If it fails validation, the function returns False, e. You are trying to validate the contents of the control so it makes sense to use the Validating event.

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What happens is that if i don enter any record and tab out then it takes the first record .The information that goes into the 3rd box is stored in a SQL server (along with the drop down items) so I think I'll just use SQL and let the framework do the dirty work. This is VERY simple query i am sure but just that i dunno anything much about UI.In this way, good deeds travel outwards like the ripples created on a pond by a single stone" (or words to that effect). A combobox standard behavior in windows is that when you click the [v] button, it will show a list, and when you leave the control the list will dissapear, which is logical as the focus is on another control.

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