80分啦
我再SQLHelper中定义一个函数,,,大家觉得这样写可以码
public int ExecuteNonQuery(string cmdName, CommandType cmdType, SqlParameter[] Sqlparams)
{
int n = 0;
Open();
SqlCommand cmd = new SqlCommand(cmdName, myConnection);
cmd.CommandType = cmdType;
cmd.CommandTimeout = 60;
if (Sqlparams != null)
{
foreach (SqlParameter param in Sqlparams)
{
cmd.Parameters.Add(param);
}
}
n = cmd.ExecuteNonQuery();
Close();
return n;
}
为什么再DAL中找不到
public class DAL_NewClass
{
//List<NewClass> list_NewClass = new List<NewClass>();
string sql = "delete from newclass where id = 5";
int n = 0;
SqlHelper help = new SqlHelper();
//这里help出不来
}