ADO执行多条sql语句

string connstr = "data source=WIN-10AFVI27V7T;initial catalog=School;user id=sa;password=admin;";

using (SqlConnection conn = new SqlConnection(connstr))

{

string sql = "select * from T_Class;select * from T_Student";

using (SqlCommand cmd = new SqlCommand(sql, conn))

{

conn.Open();

using (SqlDataReader reader = cmd.ExecuteReader())

{

#region 读取多个结果集的方法

//do···while do先来读取第一个结果集 while（reader.NextResult()）中判断是否还有一个结果集，如果有在do中再次读取第二个结果集，依次类推···

do

{

if (reader.HasRows)

{

while (reader.Read())

{

for (int i = 0; i < reader.FieldCount; i++)

{

Response.Write(reader.GetValue(i));

}

Response.Write("<br/>");

}

}

}

while (reader.NextResult());

#endregion

#region 读取一个结果集的方法

//if (reader.HasRows)

//{

// while (reader.Read())

// {

// //内层循环获取列

// for (int i = 0; i < reader.FieldCount; i++)

// {

// Response.Write(reader.GetValue(i));

// }

// Response.Write("<br/>");

// }

// Response.Write("有查询结果集！");

//}

#endregion

}

}

}