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    Question why do i get Error: Concurrency violation: the UpdateCommand affected 0 of the expected 1 records

    I save the changes in the database by clicking on the button, here is the code itself: else if (comboBox1.SelectedItem == "Работа") { label3.Text = "Работа"; string script = "SELECT id, name, Model_preparation_R_Hr, Time_for_preparation_hr, Time_for_post_processing_hr, YZV_work FROM rabota;"...
    • xto
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    • c# .net data base winform
    • Replies: 8
    • Forum: ADO.NET
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