try:....
OleDbCb = new OleDbCommandBuilder(da);
dataSet1 = new DataSet();
da.Fill(dataSet1);
dataGrid1.DataSource = dataSet1;
OleDbCb = new OleDbCommandBuilder(da);
dataSet1 = new DataSet();
da.Fill(dataSet1);
dataGrid1.DataSource = dataSet1;
解决方案 »
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