c++

[ad_1] you cannot set connection string using text box outside the event.you can use connection string in form_load event or button_click event like below using System.Data.SqlClient; private void Form1_Load(object sender, EventArgs e) { SqlConnection con; con = new SqlConnection(@”Data Source=” + textBox1.Text + “;Initial Catalog=DBName;user ID=sa;Password=yourpassword”); con.Open(); } 1 [ad_2] solved Why is the SqlConnection … Read more

[ad_1] The code is pretty simple: var someDate = DateTime.Now; // could be any date set some other way if(someDate > end) return false; var checkDate = start; while(checkDate < end) { if(checkDate.Month == someDate.Month && checkDate.Year == someDate.Year) return true; checkDate = checkDate.AddMonths(periodicity); } return false; All you’re doing is making sure someDate isn’t … Read more

[ad_1] If you may not use a loop, you may use goto to get around the restriction: #include <iostream> #include <string> using namespace std; int main() { int N; cout << “Enter N: “; cin >> N; { int i = 0; goto test; begin: cout << “Well Done”; ++i; test: if (i < N) … Read more

[ad_1] As you would not like to use arrays, vectors or anything like that here you are a solution that may help you. Note: using a temp storage will make it more compact. The idea is to use three function: 1- get_line_num: counts line numbers of the file. 2- goto_line: puts the reading cursor into … Read more

[ad_1] Here is the top-level simple pseudo-code for such a beast: def printTwinPrimes(count): currNum = 3 while count > 0: if isPrime(currNum) and isPrime(currNum + 2): print currnum, currnum + 2 count = count – 1 currNum = currNum + 2 It simply starts at 3 (since we know 2,4 is impossible as a twin-prime … Read more