DataTable dt = new DataTable();
dt.Columns.Add("", typeof(byte[]));
dt.Rows.Add(File.ReadAllBytes("F:\宝宝照片\2009-04\P1010591.jpg"));
du.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
du.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells;
du.AllowUserToAddRows = false; du.DataSource = dt;
private void dv_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
if (e.ColumnIndex == 0)
{
try
{
using (MemoryStream oldms = new MemoryStream((byte[])e.Value))
{
Image img = Image.FromStream(oldms);
Bitmap bt = new Bitmap(img, new Size(400, 300));
using (MemoryStream newms = new MemoryStream())
{
bt.Save(newms, System.Drawing.Imaging.ImageFormat.Jpeg);
e.Value = newms.ToArray();
}
}
}
catch { }
}