private void btnSelectTable_Click(object sender, EventArgs e) { if (txtIndexName.Text == "") { MessageBox.Show("Enter the index name in order to continue"); return; } if (cmbTableName.Items.Count == 0) { MessageBox.Show("Select a schema with tables"); return; } cmbSchemasCreate.Enabled = cmbTableName.Enabled = txtIndexName.Enabled = false; checkedListBox1.Enabled = btnCreateIndex.Enabled = btnCreateUniqueIndex.Enabled = true; var tableFields = dbHandler.GetTableFields(cmbTableName.SelectedItem.ToString()); checkedListBox1.Items.Clear(); foreach (String str in tableFields) { checkedListBox1.Items.Add(str); } }