数据库获取的值比较
string st = "Data Source=.;Initial Catalog=master;User ID=sa;password=123;";
SqlConnection sjconn = new SqlConnection(st);
//string sql = "Select * from Table1 where id='" + id + "'";
string sql = "Select * from Table1 where yname='admin'";
SqlCommand comm = new SqlCommand(sql, sjconn);
sjconn.Open();
SqlDataReader dr = comm.ExecuteReader();
if (dr.Read())
{
if (dr["zeng"].ToString() == "否")
{
Response.Write("123");
}
}


这样比较有问题吗？ 着急啊？问题就是不能比较啊

[解决办法]
类型对不？
if (dr["zeng"].ToString().Trim() == "否")


[解决办法]
string st = "Data Source=.;Initial Catalog=master;User ID=sa;password=123;";
SqlConnection sjconn = new SqlConnection(st);
string sql = "Select * from Table1 where yname='admin'";
SqlCommand comm = new SqlCommand(sql, sjconn);
sjconn.Open();
SqlDataReader dr = comm.ExecuteReader();
if(dr.Read())
{
if (dr["zeng"].ToString().Trim() == "否")
{
Response.Write("123");
}
}