C# Winform Datagridview Style 적용

DatagridView의 여러가지 Style 속성들을 지정하여 더 보기 좋도록 한다.

private void HideAllColumns()
{
	for (int i = 0; i < dgvStudentList.Columns.Count; i++)
	{
		dgvStudentList.Columns[i].Visible = false;
	}
}

private void SetGridDefaultStyle()
{
	dgvStudentList.ReadOnly = false;
	dgvStudentList.EnableHeadersVisualStyles = false;
	dgvStudentList.AllowUserToResizeRows = false;
	dgvStudentList.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
	dgvStudentList.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
	dgvStudentList.AlternatingRowsDefaultCellStyle.BackColor = Color.LightGray;
	dgvStudentList.AllowUserToAddRows = false;
	dgvStudentList.BackgroundColor = Color.FromArgb(50, 50, 50);

	dgvStudentList.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
	dgvStudentList.ColumnHeadersDefaultCellStyle.Font = new Font("Arial", 12F, FontStyle.Bold, GraphicsUnit.Pixel);
	dgvStudentList.ColumnHeadersDefaultCellStyle.BackColor = Color.FromArgb(32, 32, 32);
	dgvStudentList.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
	dgvStudentList.ColumnHeadersHeight = 30;
	dgvStudentList.ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single;
	dgvStudentList.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing;

	dgvStudentList.RowTemplate.Height = 30;
}

private void ShowColumn(int displayIndex, string columnName, string headerText, bool isReadOnly = true, int columnWidth = 100, bool isAutoSize = false)
{
	dgvStudentList.Columns[columnName].DisplayIndex = displayIndex;
	dgvStudentList.Columns[columnName].Visible = true;
	dgvStudentList.Columns[columnName].Width = columnWidth;
	dgvStudentList.Columns[columnName].HeaderText = headerText;
	dgvStudentList.Columns[columnName].ReadOnly = isReadOnly;

	if (isAutoSize)
	{
		dgvStudentList.Columns[columnName].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
	}

	if (dgvStudentList.Columns[columnName] is DataGridViewImageColumn)
	{
		((DataGridViewImageColumn)dgvStudentList.Columns[columnName]).DefaultCellStyle.Padding = new Padding(0, 5, 0, 5);
		((DataGridViewImageColumn)dgvStudentList.Columns[columnName]).ImageLayout = DataGridViewImageCellLayout.Zoom;
	}
}

private void ShowHideColumns()
{
	HideAllColumns();

	Student student = new Student(null);

	ShowColumn(0, nameof(student.NumberInClass), "번호", false, 70);
	ShowColumn(1, nameof(student.Name), "이름", false, 100);
	ShowColumn(2, nameof(student.BirthDate), "생년월일", true, 150);
	ShowColumn(3, nameof(student.classInfo), "School and Class", true, 70, true);
}

private void GUIControlsExample_Load(object sender, EventArgs e)
{
	studentsViewModel = new SortableBindingList<Student>();
	dgvStudentList.Columns.Clear();
	dgvStudentList.DataSource = studentsViewModel;
	School school = new School()
	{
		Name = "Korea Hightschool",
		Address = "Seoul"
	};

	Class classInfo = new Class(school)
	{
		ClassNumber = 5,
		Location = "Second floor",
	};

	for (int i = 0; i < 20; i++)
	{
		studentsViewModel.Add(new Student(classInfo)
		{
			NumberInClass = i + 1,
			Name = $"{i + 1}_Ben",
			BirthDate = DateTime.Now,
		});
	}

	SetGridDefaultStyle();
	ShowHideColumns();

	RegisterEvents();
}

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