public void AddCategoryInfo(CategoryInfo categoryInfo)
{
try
{
object maxOrder = DataCollection.CategoryInfoInstance.GetFeildValue("max(order)", new Equal(MYDBLogic.AND, "cId", categoryInfo.cId.ToString()));
categoryInfo.order = maxOrder != null ? Convert.ToInt32(maxOrder) + 1 : 1;
DataCollection.CategoryInfoInstance.Insert(categoryInfo);
}
catch (Exception)
{
throw;
}
}
public void ChangeOrder(CategoryInfo categoryInfo1, CategoryInfo categoryInfo2)
{
try
{
int tmp = categoryInfo1.order;
categoryInfo1.order = categoryInfo2.order;
categoryInfo2.order = tmp;
DataCollection.CategoryInfoInstance.Update(categoryInfo1);
DataCollection.CategoryInfoInstance.Update(categoryInfo2);
}
catch (Exception)
{
throw;
}
}
public void RemoveCategoryInfo(CategoryInfo categoryInfo)
{
DataCollection.CategoryInfoInstance.Remove(categoryInfo);
}
public void ModifyCategoryInfo(CategoryInfo categoryInfo)
{
DataCollection.CategoryInfoInstance.Update(categoryInfo);
}