摘要：
private void btnQuery_Click(object sender, EventArgs e) { if (cboxFactory.Text=="") { MessageBox.Show("请选择厂别！","系统提示"); return; } fname = cboxFactory. 阅读全文
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摘要：
private void btnQuery_Click(object sender, EventArgs e) { if (cboxFactory.Text=="") { MessageBox.Show("请选择厂别！","系统提示"); return; } fname = cboxFactory. 阅读全文
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