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ado.net查询到的数据,通过DataSet进行离线存储。
using (SqlConnection conn = new SqlConnection(constr))
{
conn.Open();
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "select * from T_tavle";
DataSet dst = new DataSet();
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
adapter.Fill(dst);
DataTable table =dst.Tables[0];
DataRowCollection rows= table.Rows;
for(int i=0;i<rows.Count;i++)
{
DataRow row =(DataRow)row[i];
int age=(int)row["age"];
}
//foreach(DataRow row in dst.Tables[0].Rows)
//{
// int age=(int)row["age"];
//}
}
}
