Good One


Treeview query

SELECT  P1.emp
FROM Personnel AS P1, Personnel AS P2
WHERE P1.lft BETWEEN P2.lft AND P2.rgt
GROUP BY P1.emp

Update multiple

public static int Update(DataTable dtNewCategory, int PageIndex, int PageSize)
{
DataTable dtOldCategory = new DataTable();
int count = 0;

dtOldCategory = CategoryBAL.Get(0, PageIndex, PageSize);
CategoryInformation objCategoryInformation = new CategoryInformation();
for (int i = 0; i < dtOldCategory.Rows.Count; i++)
{
if (dtOldCategory.Rows[i][“CategoryName”].ToString() != dtNewCategory.Rows[i][“CategoryName”].ToString())
{
objCategoryInformation = Connection.objDemoDataContext.CategoryInformations.Single(m => m.CategoryId == Convert.ToDecimal(dtOldCategory.Rows[i][“CategoryId”]));
objCategoryInformation.CategoryName = dtNewCategory.Rows[i][“CategoryName”].ToString();
count += 1;
}
}
Connection.objDemoDataContext.SubmitChanges();
return count;
}
}

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