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分享using(OleDbConnection OleDbConn=new OleDbConnection(strConn))
{
OleDbConn.Open();
// OleDbDataAdapter ada=new OleDbDataAdapter(Sql,OleDbConn);
// ada.MissingSchemaAction=MissingSchemaAction.AddWithKey;
// ada.FillSchema(dt,SchemaType.Mapped);
DataTable dt=OleDbConn.GetOleDbSchemaTable(OleDbSchemaGuid.Columns,new object[]{null,null,tableName,"TABLE"});
return dt;
}