Repeater with dynamic columns.
I have to show columns based of settings. Sometimes I want to show Name, Age, Sex, Salary. So the stored procedure will return
Name Age Sex Salary
-----------------------
Rauf 23 M 10
Amal 25 M 10
Sometimes I need to show Name and Salary only. So the data will be
Name Salary
------------
Rauf 10
Amal 10
How can I design a Repeater control to show this type of tables having dynamic columns ?
Unless perfomance i really crucial, I would take the easy way and use fixed columns (all of them) and just set visible=false in case you do not need them.
Related
I have a report with a parameter where the end user chooses a practice name that corresponds to a group of people. Most of these groups have fewer than 10 people, but a small number of them have as many as 150. When there are more than 15 people in a given group, they want separate graphs, each with no more than 15 people. So for most of the groups, we only need one graph. For a few, we need a lot of graphs.
Behind the scenes, I created a graph for each multiple of 15 people, and set them to only be visible if there are actually that many people in the group. This does what I need it to, but it makes the report super slow. As close as I can tell, behind the scenes when an end user runs the report it's still somehow rendering the hidden graphs and slowing it all to heck. (I did find this link which I think suggests this is a known bug.
I need to have one report where the end user selects the practice name, so I can't make two reports, "My practice is normal" and "My practice is ginormous". I thought maybe I could make a conditional sub-report split into those two reports based on the practice name parameter, but that doesn't appear to be possible; you can play around with visibility but I'm guessing that will still cause the invisible graph rendering problem and not help my speed.
Are there any other cool tips I can try to speed up my report, or is this just a case of too many graphs spoiling the broth?
The easiest way would be to generate a group number for every 15 people and then use a list control to repeat the chart for each group.
Here's a very quick example of this in action. I just used some sample data from one of the Adventure Works sample database.
Here's my query that returns every person in each selected department. Note that I have commented out the DELCAREs as these were just in there for testing.
--DECLARE #Department varchar(50) = ''
--DECLARE #chartMax int = 5
SELECT
GroupName, v.Department, v.FirstName, v.LastName
, ChartGroup = (ROW_NUMBER() OVER(PARTITION BY Department ORDER BY LastName, FirstName)-1) / #chartMax -- calc which chart number the person belongs to
, Salary = ((ABS(CHECKSUM(NewId())) % 100) * 500) + (ABS(CHECKSUM(NewId())) % 1000) + 10000 -- Just some random number to plot
FROM [HumanResources].[vEmployeeDepartment] v
WHERE Department IN (#Department)
ORDER BY Department
The key bit is the ChartGroup column
ChartGroup = (ROW_NUMBER() OVER(PARTITION BY Department ORDER BY LastName, FirstName)-1) / #chartMax
This will give the first 5 rows in each department a ChartGroup of 0 the next 15 1 and so on. I used 5 rather than 15 just so it's easier to demo.
Here's the dataset results
Now, in your report, add a List, set it's dataset property to your dataset containing your main data (the query above in my case).
Now edit the 'details' rowgroup properties and add a grouping by Practice and ChartGroup (Department and ChartGroup in this example)
In the list box's textbox, right-click then insert a chart.
Set the chart up as required, in my example, I used salary as the values on a pie chart and the employee names as the labels.
Here's the final design ..
Note that I set the department as a multi-value parameter and also set the number of persons per chart (chartMax) as a report parameter.
When I preview the report I get this for 'Engineering' which has 6 employees
Sales has 18 employees so we get this
.... and so on, it will generate a new chart for every 15 people or part thereof.
Alright, so I'm trying to run a query that to display a null value in a field if a duplicate ID exist. There are 2 tables, parent-child relationship. The parent table can have one to many child records. In my scenario, we have fuel tanks that can get many inspections done on them. Tank is the parent table and Tank_Inspections is the child table. There's a capacity data field that I'm getting from the tank table and joining it with the tank inspection record and it shows up twice if multiple inspections exist for that tank. This is fine, however I don't want to double count the capacity and only want to show it once. I've pasted the link to an image of a screenshot of how it should be displayed if multiple records exist for parent table. The highlighted cell should be blank. As you can see, the TankID = 65 has two inspections of different types, since I'm getting the capacity field from the Tank table, it's getting inserted twice. I was to write a query so if two or more inspections exist for tanks, only show the capacity once and "blank" out the other capacity data element. In this case, the highlight cell should be blank. Suggestions?
http://imgur.com/6bYE8wS
This sounds like a job for an analytic function. Since Access doesn't natively support these, there is a hack to accomplish the row_number() analytic function that sounds like it would meet your needs:
Achieving ROW_NUMBER / PARTITION BY in MS Access
You create a query that invokes this self-join and use that instead of the table. Once you have the row number on each row, it would look something like this:
Tank ID Inspection ID Row
59 6841 1
60 6842 1
65 7344 1
65 6843 2
And your capacity formula would change from [Inspection].[Capacity] to something like this:
IIf([Self Join].[Row] = 1, [Inspection].[Capacity], Null)
I have ASP.NET GridView in my web app and would like to bind 3 columns with values based on one column. I am providing example below, is it possible to implement into GridView?
My Gridview fields are
Name|Score1|Score2|Score3
I will display the name but how to fill the score fields based on name.there are 3 scores corresponding to each name,that we taken from the same table with a single score field.the 3 scores are provided by 3 different persons.Also i want to display the corresponding score providers name in the header portion of the gridview.
ie,
Name|Ram Score1|Raju Score2|Mohan Score3
How can i do this...
Plz provide the query to do this
Consider to rather calculate the scoring fields in database. Create a stored procedure and bind it to the grid view.
I have a matrix report in SSRS 2005, and the rows have certain sections. Imagine along the left a series of
1 $100
2 $400
3 $150
4 $650
5 $500
6 $400
7 $900
And I want some rows to be able to be hidden. For example, row 7 are totals of row 5 and 6, so I'd want to +/- next to row 7 that will show/hide rows 5 and 6. (Note that I don't calculate these totals, they were done by an accountant and it is important that I use the values in the database and don't calculate the totals myself.)
Now I have this "parent/child" relationship in the database, and I could add that as a group on the row
4 1 $100
4 2 $400
4 3 $150
- 4 4 $650
7 5 $500
7 6 $400
- 7 7 $900
And then I could add the toggle to that first column, BUT I don't want the values to be subtotaled when they are rolled up. I simply want rows 5/6 to disappear and only show row 7. Kind of new to SSRS so any suggestions would be great.
So with one group toggled:
+ 4 4 $650
7 5 $500
7 6 $400
- 7 7 $900
Other gorup toggled:
+ 4 4 $650
+ 7 7 $900
Etc.
4 1 $100
4 2 $400
4 3 $150
- 4 4 $650
+ 7 7 $900
How can I accomplish this such that I am not recalculating the parent rows(rows 4 and 7 in this example)?
If there is a free web control that can accomplish this in ASP.NET I'd be glad to hear about it as well. I have a sinking feeling that I'm going to have to write some AJAX myself to accomplish this. I kind of wondered if there was some hack to embed some javascript into the report that could accomplish this.
Effectively you have two problems:
Report subtotals that come from the database, not calculated
Dynamically hide and expose detail rows
You can do this with a standard table report, as follows:
Report database subtotals
You can do this in plain SQL (D is the Detail table and G is the Group table):
SELECT D.ParentId, D.ChildId,
D.Description as DetailDescription, D.Amount AS DetailAmount,
G.GroupDescription, G.GroupAmount
FROM MyTable D INNER JOIN
(SELECT ChildId AS GroupId, Max(Description) as GroupDescription, MAX(Amount) AS GroupAmount
FROM MyTable
GROUP BY ChildId
WHERE ChildId IN (SELECT DISTINCT ParentId FROM MyTable)) G ON GroupId = D.ParentId
WHERE D.ChildId NOT IN (SELECT DISTINCT ParentId FROM MyTable)
So what we are doing is getting all the rows which aren't subtotals (that is, the rows where the ChildId is not a ParentId) and in the nested select we are also putting the subtotal on every detail line. Now, in the Group on the table, we can simply report the GroupTotal field from our dataset rather than an actual subtotal.
Dynamically hide and expose rows
Create a group in your table. Here is where you report the GroupTotal just as a field, not as a total (although you could MAX or MIN it if you wanted to).
Right-click the detail group and click Edit. On the Visibility tab, check the Visibility can be toggled by another report item checkbox and select the textbox name of the first textbox of the group above. Set the Initial Visibility to either Visible or Hidden as required.
Off the top of my head and untested but you should get the idea.
Edit to explain layout better (Note: SQL above also edited to show descriptions)
I'm working with a table here, not a matrix.
Layout would look like as follows (first column shows what group you are on):
Table Header Parent Id Child Id Description Amount
Group1 Header =Fields!ParentId.Value =Last(Fields!GroupDescription.Value) =Max(Fields!GroupAmount.Value)
Details Group =Fields!ParentId.Value =Fields!ChildId.Value =Fields!DetailDescription.Value =Fields!DetailAmount.Value
Group1 is set to Group on ParentId, only the header is displayed (no footer) and the ParentId Textbox on that group is called ParentIdGroup. Details Group has "Visibility can be toggled by another item" checked and "Report item" is set to ParentIdGroup.
I have mocked up this report now and it works as you describe - what looks like subtotals are actually database fields and the description shows on the group row.
I was able to accomplish this by setting the expression for the data field value to Last, since in my case the subtotals are always the last row of the series of rows. Whenever the rows are expanded, then Last displays the value for each row, since each row is it's own group. And then whenever I collapse using the PatenLineNumber toggle, then the Last shows the value of that parent row, since it appears as the last row in the group.
So my matrix report is something like this:
Amount
ParentLineNumber ChildLineNumber =Last(Fields!Amount.Value)
I am still having a seperate issue, but that is a seperate question.
I'm trying to achieve a sort of special sorting in Drupal. Let's say we've got a table of data such as this:
Name Age Sex
John 19 Male
Mia 20 Female
Mia 21 Female
Here's what i want to acheive. I want to be able to remove one of the Mia's by filtering. The thing here is that the name field is not the node title - but a node reference. How can i select those nodereferences distinct?
Cheers!
This is possible, I think.
First install Views version 3.0-alpha2 (or later). Views 2.x will not work.
Make a view, in "advanced settings" set grouping to "yes".
Your objective will be to group by the Name of the individual. Also you can add a function like MIN or MAX to select the person with the Maximum or Minimum age. So according to example above, Mia 20 will be eliminated if we take the function to be MAX.