Vb.net Project With Coding May 2026

conn.Open() cmd.ExecuteNonQuery() conn.Close() End Using End Using

MessageBox.Show("Student deleted successfully.", "Deleted", MessageBoxButtons.OK, MessageBoxIcon.Information) ClearFields() LoadAllStudents() End If End Sub Vb.net Project With Coding

If numAge.Value < 1 OrElse numAge.Value > 100 Then MessageBox.Show("Age must be between 1 and 100.", "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Warning) Return False End If 1 OrElse numAge.Value &gt

CREATE TABLE Students ( StudentID INT PRIMARY KEY IDENTITY(1,1), Name NVARCHAR(100) NOT NULL, Age INT NOT NULL, Course NVARCHAR(100) NOT NULL ); GO Name NVARCHAR(100) NOT NULL