我有一個賦值表,其中有兩行。我想從兩行(1和3)中檢索set_number。我的代碼如下,現在它檢索3和3,這是不正確的。誰能幫我這個?從數據庫中檢索多行
MySqlCommand SelectCommand = new MySqlCommand("Select set_number from assignedset where patient_nric='" + NRIC + "'", myConn);
MySqlDataReader myReader;
myConn.Open();
myReader = SelectCommand.ExecuteReader();
int count = 0;
while (myReader.Read())
{
count = count + 1;
}
if (count > 0)
{
string SetName = myReader.GetString("set_number");
//int[] numbers;
int s = 1;
while (s <= count)
{
MessageBox.Show(SetName);
s++;
}