ПИбд-21.Басалов А.Д. Первая лабораторная #1 #1

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Tonby73 wants to merge 17 commits from LabWork_1 into main
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@ -98,6 +98,7 @@ namespace ProjectTourAgency.Forms
private bool TryGetIdentifierFromSelectedRow(out int id)
{
id = 0;
if(dataGridViewData.SelectedRows.Count < 1)
{
MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);