foreach(DataRow row in dt.Rows)
{
if (row["ProductID"].ToString().Equals(txtBarcode.Text.Trim()))
{
row.Delete();
txtBarcode.Clear();
}
}
adapt.SelectCommand.Parameters.AddWithValue("@idText", txtBarcode.Text);
adapt.Fill(dt);
dgItems.ReadOnly = true;
dgItems.DataSource = dt;
txtBarcode.Clear();
当用户尝试在gridview中存在时插入相同的条形码时,我使用此代码删除行,但是有错误。首先,当我输入重复的条形码时,它会删除该行,但当我输入另一个重复的条形码时,它会显示An unhandled exception of type System.Data.DeletedRowInaccessibleException' occurred in System.Data.dll
Additional information: Deleted row information cannot be accessed through the row.
答案 0 :(得分:3)
foreach(DataRow row in dt.Rows)
{
if (row["ProductID"].ToString().Equals(txtBarcode.Text.Trim()))
{
row.Delete();
txtBarcode.Clear();
}
}
dt.AcceptChanges();