Hi, everyone!
I want to disable the button in DataGridView, having searched the article:
http://stackoverflow.com/questions/12525305/disabling-the-button-column-in-the-datagridview
However, I still couldn't fulfill it...
Hope somebody would give me a suggestion!
Thanks a lot!!
using System.Windows.Forms.VisualStyles;
DataTable dtDGV1 = new DataTable();
private void Form1_Load(object sender, EventArgs e)
{
dtDGV1.Columns.Add("A");
dtDGV1.Columns.Add("B");
dtDGV1.Columns.Add("C");
dtDGV1.Rows.Add("a", "b", "c");
dtDGV1.Rows.Add("aa", "bb", "cc");
dataGridView1.DataSource = dtDGV1;
DataGridViewButtonColumn uninstallButtonColumn = new DataGridViewButtonColumn();
uninstallButtonColumn.Name = "Button";
uninstallButtonColumn.Text = "Set";
uninstallButtonColumn.UseColumnTextForButtonValue = true;
dataGridView1.Columns.Insert(3, uninstallButtonColumn);
SetDGVButtonColumnEnable(false);
<big>
}
public class DataGridViewDisableButtonColumn : DataGridViewButtonColumn
{
public DataGridViewDisableButtonColumn()
{
this.CellTemplate = new DataGridViewDisableButtonCell();
}
}
public class DataGridViewDisableButtonCell : DataGridViewButtonCell
{
private bool enabledValue;
public bool Enabled
{
get
{
return enabledValue;
}
set
{
enabledValue = value;
}
}
public override object Clone()
{
DataGridViewDisableButtonCell cell =
(DataGridViewDisableButtonCell)base.Clone();
cell.Enabled = this.Enabled;
return cell;
}
public DataGridViewDisableButtonCell()
{
this.enabledValue = true;
}
protected override void Paint(Graphics graphics,
Rectangle clipBounds, Rectangle cellBounds, int rowIndex,
DataGridViewElementStates elementState, object value,
object formattedValue, string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts)
{
if (!this.enabledValue)
{
if ((paintParts & DataGridViewPaintParts.Background) ==
DataGridViewPaintParts.Background)
{
SolidBrush cellBackground =
new SolidBrush(cellStyle.BackColor);
graphics.FillRectangle(cellBackground, cellBounds);
cellBackground.Dispose();
}
if ((paintParts & DataGridViewPaintParts.Border) ==
DataGridViewPaintParts.Border)
{
PaintBorder(graphics, clipBounds, cellBounds, cellStyle,
advancedBorderStyle);
}
Rectangle buttonArea = cellBounds;
Rectangle buttonAdjustment =
this.BorderWidths(advancedBorderStyle);
buttonArea.X += buttonAdjustment.X;
buttonArea.Y += buttonAdjustment.Y;
buttonArea.Height -= buttonAdjustment.Height;
buttonArea.Width -= buttonAdjustment.Width;
ButtonRenderer.DrawButton(graphics, buttonArea,
PushButtonState.Disabled);
if (this.FormattedValue is String)
{
TextRenderer.DrawText(graphics,
(string)this.FormattedValue,
this.DataGridView.Font,
buttonArea, SystemColors.GrayText);
}
}
else
{
base.Paint(graphics, clipBounds, cellBounds, rowIndex,
elementState, value, formattedValue, errorText,
cellStyle, advancedBorderStyle, paintParts);
}
}
}
private void SetDGVButtonColumnEnable(bool enabled)
{
foreach (DataGridViewRow row in dataGridView1.Rows)
{
((DataGridViewDisableButtonCell)row.Cells[3]).Enabled = enabled;
}
dataGridView1.Refresh();
}