/// <summary>
/// 删除无用的之前的妊检任务单，可能发生返情重配
/// </summary>
/// <param name="earNum">耳号</param>
/// <param name="isInitial">初检true,复检false</param>
/// <returns>删除记录数</returns>
public int RemovePreviousInspectionTasks(int earNum, bool isInitial)
{
int i = 0;
if (isInitial)
{
i = taskDAL.DeletePreviousInitialInspectionTask(earNum);
}
else
{
i = taskDAL.DeletePreviousReInspectionTask(earNum);
}
return(i);
}