private void button_Add_Click(object sender, EventArgs e) { FilePersonKeywordClient client = new FilePersonKeywordClient(); if ((client.GetKeywordByKword(textBox_Kword.Text) == null)) { global::MemoriesManager.Keyword newKeyword = new global::MemoriesManager.Keyword { Kword = textBox_Kword.Text }; client.CreateKeyword(newKeyword); } else { MessageBox.Show("That keyword already exists in DB", "Error"); } memoriesManagerForm.RefreshDgk_DB(); }