Create blank.yml #1
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| using System; | ||
| using System.Data; | ||
| using System.Data.SqlClient; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
| namespace ExamTest | ||
| { | ||
| /// <summary> | ||
| /// Interaction logic for MainWindow.xaml | ||
| /// </summary> | ||
| public partial class MainWindow : Window | ||
| { | ||
| public MainWindow() | ||
| { | ||
| InitializeComponent(); | ||
| LoadData(); | ||
| } | ||
| private void LoadData() | ||
| { | ||
| try | ||
| { | ||
| using (SqlConnection connection = new SqlConnection("Data Source = PERMSKYKITDESKT; Initial Catalog = master; Integrated Security = True")) | ||
| { | ||
| connection.Open(); | ||
| using (SqlCommand command = new SqlCommand("SELECT * FROM SpProducts", connection)) | ||
| { | ||
| using (SqlDataAdapter adapter = new SqlDataAdapter(command)) | ||
| { | ||
| DataTable dataTable = new DataTable(); | ||
| adapter.Fill(dataTable); | ||
| // Добавление нового столбца с именем "Сумма" | ||
| DataColumn sumColumn = new DataColumn("Сумма", typeof(int)); | ||
| dataTable.Columns.Add(sumColumn); | ||
| // Заполнение нового столбца суммой значений второго и третьего столбцов | ||
| foreach (DataRow row in dataTable.Rows) | ||
| { | ||
| int column2Value = Convert.ToInt32(row["Price"]); | ||
| int column3Value = Convert.ToInt32(row["Count"]); | ||
| row["Сумма"] = column2Value * column3Value; | ||
| } | ||
| // Предполагая, что ваш DataGrid называется "dataGrid" в XAML | ||
| dataGrid.ItemsSource = dataTable.DefaultView; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| MessageBox.Show($"Ошибка при загрузке данных: {ex.Message}", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error); | ||
| } | ||
| } | ||
| } | ||
| } | ||
