private void btnOK_Click(object sender, EventArgs e) { string connectionString = ConfigurationManager.ConnectionStrings["db"].ConnectionString; //loading connection string from App.config SqlConnection con = new SqlConnection(connectionString); // making connection con.Open(); string sqlquery = "UPDATE Employee SET [Last Name] = @LastName, [First Name] = @FirstName, DOB = @DOB, Address = @Address, ZIP = @ZIP WHERE ID = " + numID; //prevent sql injection by doing this, thts wat google said string sqlquery2 = "UPDATE [User] SET [LastName] = @LastName, [FirstName] = @FirstName WHERE Username = @Username"; SqlCommand command = new SqlCommand(sqlquery, con); SqlCommand command2 = new SqlCommand(sqlquery2, con); int numD1 = 0; try { numD1 = Int32.Parse(this.txtUserID.Text); command.Parameters.AddWithValue("@LastName", this.txtLastName.Text); command.Parameters.AddWithValue("@FirstName", this.txtFirstName.Text); command.Parameters.AddWithValue("@DOB", this.dateTimePicker1.Value); command.Parameters.AddWithValue("@Address", this.txtAddress.Text); command.Parameters.AddWithValue("@ZIP", this.txtZipcode.Text); command.ExecuteNonQuery(); command2.Parameters.AddWithValue("@LastName", txtLastName.Text); command2.Parameters.AddWithValue("@FirstName", txtFirstName.Text); command2.Parameters.Add("@Username", SqlDbType.VarChar); command2.Parameters["@Username"].Value = Username; command2.ExecuteNonQuery(); editTaxes(con, numD1); editBenefits(con, numD1); MessageBox.Show("Information updated."); UserMain usermain = new UserMain(this.txtFirstName.Text, this.txtLastName.Text, this.txtAddress.Text, this.txtZipcode.Text); form2.gridRefresh(); usermain.Show(); this.Close(); //another way of doing the above without sending a sht ton of parameters.. might have to make alot of function gets /*UserMain userMain = new UserMain(); * userMain.TextBoxValue = txtFirstName.Text; * // userMain.TextBoxValue = txtLastName.Text; * userMain.ShowDialog(); * this.Close();*/ } catch (Exception ex) { MessageBox.Show(ex.Message); } }