DataGridViewの罫線のスタイルを変更する方法

DataGridViewの罫線のスタイルを変更する方法
VB.NET

dgv1.BorderStyle = BorderStyle.Fixed3D

C#

dgv1.BorderStyle = BorderStyle.Fixed3D;

DataGridViewのセルの罫線スタイルを変更する方法
VB.NET

dgv1.CellBorderStyle = DataGridViewCellBorderStyle.SingleHorizontal
dgv1.ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Sunken
dgv1.RowHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single

C#

dgv1.CellBorderStyle = DataGridViewCellBorderStyle.SingleHorizontal;
dgv1.ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Sunken;
dgv1.RowHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single;

DataGridViewのセル罫線の色を変更する方法
VB.NET

dgv1.CellBorderStyle = DataGridViewCellBorderStyle.Single
dgv1.GridColor = Color.Red

C#

dgv1.CellBorderStyle = DataGridViewCellBorderStyle.Single;
dgv1.GridColor = Color.Red;

DataGridViewのセルの罫線を上下左右で個別に変更する方法
VB.NET

dgv1.AdvancedCellBorderStyle.Top = _
    DataGridViewAdvancedCellBorderStyle.InsetDouble
dgv1.AdvancedCellBorderStyle.Right = _
    DataGridViewAdvancedCellBorderStyle.Inset
dgv1.AdvancedCellBorderStyle.Bottom = _
    DataGridViewAdvancedCellBorderStyle.Inset
dgv1.AdvancedCellBorderStyle.Left = _
    DataGridViewAdvancedCellBorderStyle.InsetDouble

C#

dgv1.AdvancedCellBorderStyle.Top =
    DataGridViewAdvancedCellBorderStyle.InsetDouble;
dgv1.AdvancedCellBorderStyle.Right =
    DataGridViewAdvancedCellBorderStyle.Inset;
dgv1.AdvancedCellBorderStyle.Bottom =
    DataGridViewAdvancedCellBorderStyle.Inset;
dgv1.AdvancedCellBorderStyle.Left =
    DataGridViewAdvancedCellBorderStyle.InsetDouble;