DataSet ds =newDataSet();using (OleDbConnection connection =newOleDbConnection(connectionString))using (OleDbCommand command =newOleDbCommand(query, connection))using (OleDbDataAdapter adapter =newOleDbDataAdapter(command)){ adapter.Fill(ds,"tablename");}return ds;然后直接用ds.tables["tablesname"]就可以了求解详细步骤
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这个是ADO.NET知识
SqlConnection Conn=new SqlConnection();
Conn.ConnectionString="连接数据库语句";
SqlCommand Cmd=new SqlCommand();
Cmd.Connection=Conn;
Cmd.CommandText="select * from table";
Cmd.CommandType=CommandType.Text;
SqlDataAdapter SqlApt=New SqlDataAdapter(Cmd);
Conn.Open();
DataTable dt=new DataTable();
SqlApt.Fill(dt);
Conn.Close();
这样就把数据库表table中的数据插入到一个tb对象中了
