public bool Delete(contactClass c) { //var connectionString = ConfigurationManager.ConnectionStrings["connstring"].ConnectionString; bool isSuccess = false; SqlConnection conn = new SqlConnection(conString); try { string sql = "DELETE FROM tbl_contact WHERE ContactID=@ContactID"; SqlCommand cmd = new SqlCommand(sql, conn); cmd.Parameters.AddWithValue("@ContactID", c.ContactID); conn.Open(); int row = cmd.ExecuteNonQuery(); if (row > 0) { isSuccess = true; } else { isSuccess = false; } } catch (Exception ex) { } finally { conn.Close(); } return(isSuccess); }
//insert data into database public bool insert(contactClass c) { //var connectionString = ConfigurationManager.ConnectionStrings["connstring"].ConnectionString; bool isSuccess = false; SqlConnection conn = new SqlConnection(conString); try { string sql = "INSERT INTO tbl_contact(FirstName,LastName,ContactNO,Address,Gender) VALUES (@FirstName,@LastName,@ContactNO,@Address,@Gender)"; SqlCommand cmd = new SqlCommand(sql, conn); cmd.Parameters.AddWithValue("@FirstName", c.FirstName); cmd.Parameters.AddWithValue("@LastName", c.LastName); cmd.Parameters.AddWithValue("@ContactNO", c.ContactNO); cmd.Parameters.AddWithValue("@Address", c.Address); cmd.Parameters.AddWithValue("@Gender", c.Gender); conn.Open(); int row = cmd.ExecuteNonQuery(); if (row > 0) { isSuccess = true; } else { isSuccess = true; } } catch (Exception ex) { } finally { conn.Close(); } return(isSuccess); }
public bool Update(contactClass c) { //var connectionString = ConfigurationManager.ConnectionStrings["connstring"].ConnectionString; bool isSuccess = false; SqlConnection conn = new SqlConnection(conString); try { string sql = "UPDATE tbl_contact SET FirstName=@FirstName,LastName=@LastName,ContactNO=@ContactNO,Address=@Address,Gender=@Gender WHERE ContactID=@ContactID"; SqlCommand cmd = new SqlCommand(sql, conn); cmd.Parameters.AddWithValue("@FirstName", c.FirstName); cmd.Parameters.AddWithValue("@LastName", c.LastName); cmd.Parameters.AddWithValue("@ContactNO", c.ContactNO); cmd.Parameters.AddWithValue("@Address", c.Address); cmd.Parameters.AddWithValue("@Gender", c.Gender); conn.Open(); int row = cmd.ExecuteNonQuery(); if (row > 0) { isSuccess = true; } else { isSuccess = false; } } catch (Exception ex) { } finally { conn.Close(); } return(isSuccess); }