In Sql Server, there's a Row_Number and now I want to do the same thing with LinQ when I get data from a table and I want to create a new row like Row Number.
I have many record in my sql table and i want to fetch last row of table.I have used max function but it is very slow
i m using this query-
select pm_name from datos where date_time = (select Max(date_time) from datos) but it takes more time i want to use select count(date_time) from datos this query provide me row number then how can fetch row of this number.
when I use 'RowNumber' = ROW_NUMBER() OVER(ORDER BY ColumnName) then due to orderby Column name consume 76% usage. in such case what I have to do? I can see sorting taking much time in execution plan.
I'm using a linq group by query (with two grouping parameters) and would like to use the resulting data in a nested repeater.
var dateGroups = from row in data.AsEnumerable() group row by new { StartDate = row["StartDate"], EndDate = row["EndDate"] }; "data" is a DataTable from an SqlDataAdapter-filled DataSet. "dateGroups" is used in the parent repeater, and I can access the group keys using Eval("key.StartDate") and Eval("key.EndDate").
Since dateGroups actually contains all the data rows grouped neatly by Start/End date, I'd like to access those rows to display the data in a child repeater. To what would I set the child repeater's DataSource? I have tried every expression in markup I could think of; I think the problem is that I'm trying to access an anonymous member (and I don't know how.) In case it doesn't turn out to be obvious, what would be the expression to access the elements in each iteration of the child repeater? Is there an expression that would let me set the DataSource in the markup, or will it have to be in the codebehind on some event in the parent repeater?
Stack-Overflow :3 I've got a kind of hard-case question.
So I'll try clearly explain my idea with my poor english :/ need select to DataTable SOME values from ???_**GetDisplayData **procedure for each day of previos month (GROUP IT) where group rules for different columns is different
I need to select some values in stored procedure from other stored procedure like this :
SELECT X FROM Y_Procedure(@ProcedureParameters)Also I need to select from dynamic SQL Procedure like
Y_Procedure=@Y+'_Procedure' SELECT X FROM Y_Procedure(@ProcedureParameters)
Also I need to load it to DataTable :-/INSERT INTO @Report (CellHorizontal, CellVertical, CellValue) --to TABLE SELECT Date,X2,X3 FROM Y_GetDisplayData(@Param)
SET NOCOUNT OFF; SELECT * FROM @Report
GetDisplayData works as select with parameters and that doesn't returns SQL DataTable And there is no way to recode GetDisplayData's procedures, it's just constant procedures for me.Finally I need to Group nodes from this table
INSERT INTO @Report (CellHorizontal, CellVertical, CellValue) SELECT T1.Date, IF ((Select grouptype...)=1) T1.X2 + T2.X2 ELSE IF ((Select grouptype...)=2) AVG(T1.X2,T2.X2), IF ((Select grouptype...)=1) T1.X3 + T2.X3 ELSE IF ((Select grouptype...)=2) AVG(T1.X3,T2.X3), (SELECT T2.Date,X2,X3 FROM Y_GetDisplayData(@Param) T2 WHERE T2.Date>T1.Date AND T2.Date>=T1.Date) FROM Y_GetDisplayData(@Param) T1 GROUP BY EVERY DAY ???--and here is epic fail
I can make all stuff on asp server :And C# allows me to use something like SelectCommand = IzmProc + "_GetDisplayData"; And then I will work (select special data) with DataTables on ASP.NET Server but it's better to make all on SQL ... But looking like it's just unrealizable on SQL >_<
I gonna think about C# realization,but my code is very weird , got errors and doesn't works >_<
I have a query with group-by clause. I want to use it in recusionCTE.How is it possible?I want to know the totalamount for each fname done through this query:select top 10 fname,SUM(totamt) as 'Total Amount' from tables_list group by fname order by 'Total Amount' descBut when any person logins he must be able to see this list for his own hierarchy down the line including himself.
I want to develop rotation logic for my company's software by using SQL Query. I will explain you what exactly I want.
As mentioned in above figure (LEFT SIDE) I have 8 grades in alphabetical order A, B, C, D, E, F, G and Z. There are different companies belong with different grades respectively. This is my database table situation. And I want an output like (RIGHT SIDE) figure in my grid view using SQL Query.
The grade position is skipped if there is no any raw or company name exists. And newly entered Company is automatically placed in that respective skipped grade position.
I have attached an sql script for your kind help to make such useful query.
I have a procedure that is used on a search page.. im trying to provide a highlevel resultset which you can then click on a record to view all records associated with it.
My expectation is to return 5 columns.. the ID and Date is what i want to group on.. so that if there are 10 records for ID=5 and Date=10/25/2010 then in my results i would have 1 record. Once im done with the page, you can then click on that line in the gridview to view the 10 records for that id. Does that make sense?
I have the following query, but for the criteria i entered, im getting back 3 records instead of just 2 since there is a differnet reboot count, BUT i really still just need overall data. so it should be only 1 record and seen below is what is returned and what is expected..
i have a table which records visits to a page, what i want to do is get a count of the last 24 hours and group the visits by the hour.
This is my table structure;
ID, ChannelNewsID, AddDate
This is what i did so far however it gives me both past and future records where as i want 24 hours previously starting from when the query was run. Here is what my query looks like;
Page Title ¦ DateTime Home ¦ 20/09/2010 17:25:01 Home ¦ 20/09/2010 16:01:16 Home ¦ 20/09/2010 17:24:01 About Us ¦ 06/09/2010 17:27:01 Home ¦ 03/09/2010 14:25:01 SiteMap ¦ 21/09/2010 17:21:01
I want to get the unique page title but latest date, therefore query result would be:
I have individual controls with different groups in two separate divs in an aspx page. I am passing a querystring value to this page and on page load depending on the querystring value want to show the divs n change the validation group.
We have many different clients, and each client can have multiple user accounts.Right now, we have user settings set up on the ASP project, and a WinForms application can see these settings, depending on which user logs into the winforms application. They are specific to the user. I want to make them specific to the client, so users can be in "groups" by their client, and all users in the group would see/update the same settings.
This group section cannot be printed because its condition field is nonexistent or invalid. Format the section to choose another condition field. Error in File Detailed_CrystalReport {9C8154B9-5093-457C-9E6A-2A1D63E7E866}.rpt: Invalid group condition.
without group section report can correctly show report and with group section can correctly show in local computer only with visual studio But with group section has error after deploy to new machine window server 2008 group section is date my crystal report version is 2008, assembly version 12, CRDist x64
try 1: i try to delete the group date and run local, it can correctly show date, but deploy to the new machine date is invisible Group date is wrong the date have only 01/25/2011 however group date become 23/1/2011 why group date is not 01/25/2011?
I created a distribution group in AD and now wish to search for an user and to add the user to that group. I have written the following code to add a group:
Now I need to search for an user and to add the user to group if exists.. I have AD user id . Problem is that users are across the OU and I don't know the OU of each and every user. So i need to search for user across the AD and then to add to group... Need a code to do that..
