Auto increment number
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This C# code defines a class with a method that inserts a new record into a database table when a button is clicked. It connects to a SQL database, generates a unique ID by incrementing a number, inserts the new ID into the "Sales_Detail" table, and closes the connection.
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Auto increment number
- 1. public partial class Form1 : Form { string str; SqlConnection con = new SqlConnection(); AutoCompleteStringCollection autoComplete = new AutoCompleteStringCollection(); // AutoCompleteStringCollection autoComplete = new AutoCompleteStringCollection(); int incNumber = 0; private void button3_Click(object sender, EventArgs e) { string nyNumber = "s" + incNumber.ToString("00"); incNumber++; SqlConnection sconn = new SqlConnection(str); sconn.Open(); SqlCommand cmd = new SqlCommand("insert into Sales_Detail(sd_Id) values('"+incNumber+"')" ,sconn); cmd.ExecuteNonQuery(); sconn.Close(); }