private void btn_delhistory_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("确定要删除所有的历史数据？", "系统提示!",
MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (result == DialogResult.Cancel)
{
return;
}
int a = objPatientService.DeletePatientHisInfo();
int b = objPatientBodyInfoService.DeletePatientHisBodyInfo();
if (a > 0)
{
MessageBox.Show("删除成功！", "系统提示");
}
}