private void InitGrid() { this.dataGridView1.AutoGenerateColumns = false; this.dataGridView1.Columns.AddRange( new DataGridViewTextBoxMajorMinorColumn { DataPropertyName = "MajorMinor", HeaderText = @"Data No 1" }, new DataGridViewTextBoxColumn { DataPropertyName = "D2P", HeaderText = @"Data No 2" }, new DataGridViewTextBoxColumn { DataPropertyName = "D3P", HeaderText = @"Data No 3" }); this.dataGridView1.DataSource = DataRepo.DataSubNumber(); }