string u = "select xxx from xx";
SqlDataReader ureader; SqlCommand uaCommand = new SqlCommand(u, aaConnetion); aaConnetion.Open();
ureader = uaCommand.ExecuteReader();
ureader.Read();
label17.Text = ureader.GetString(0);
aaConnetion.Close();
if (label17.Text == "非常重要")
d = 90;
else if (label17.Text == "重要")
d = 75;
else if (label17.Text == "一般")
d = 60;
else if (label17.Text == "及格")
d = 45;
else
d = 15;
数据库调用内容后,用label17.Text显示调用内容,再根据调用内容的,判断d的值,我这有错误,请高手指点
SqlDataReader ureader; SqlCommand uaCommand = new SqlCommand(u, aaConnetion); aaConnetion.Open();
ureader = uaCommand.ExecuteReader();
ureader.Read();
label17.Text = ureader.GetString(0);
aaConnetion.Close();
if (label17.Text == "非常重要")
d = 90;
else if (label17.Text == "重要")
d = 75;
else if (label17.Text == "一般")
d = 60;
else if (label17.Text == "及格")
d = 45;
else
d = 15;
数据库调用内容后,用label17.Text显示调用内容,再根据调用内容的,判断d的值,我这有错误,请高手指点
SqlCommand uaCommand = new SqlCommand(u, aaConnetion);aaConnetion.Open();
object obj = uaCommand.ExecuteScalar();
if (obj != null)
{
label17.Text = obj.ToString();
}
aaConnetion.Close();
if (label17.Text == "非常重要")
d = 90;
else if (label17.Text == "重要")
d = 75;
else if (label17.Text == "一般")
d = 60;
else if (label17.Text == "及格")
d = 45;
else
d = 15;
while (ureader.Read())
{
label17.Text = ureader[0].ToString();
}
d = 90;
else if (label17.Text == "重要")
d = 75;
else if (label17.Text == "一般")
d = 60;
else if (label17.Text == "及格")
d = 45;
else
d = 15;
每次执行if语句,答案都是 d=15 ;
字符串的比较要做如下格式操作好一点. if (label17.Text == "非常重要")//
改为 label7.Text.Trim() == "非常重要"这样试试