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C# Crystal Reports

Posted on 2016-07-27
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Last Modified: 2016-08-01
I've used Crystal Reports with .NET numerous times.  Usually the report is predefined.  However, I have a different requirement now.

I'm using Infragistics Ultragrid to display data.  With this control the user can move columns around and change the sort.  The user can also add grouping with this control by dragging a column to a grouping area.  I have to admit it is a nice feature.

However, the issue is that the requirement is once the user is done moving columns, clicking on the column to sort however they want, possibly adding a grouping they want to print the result with Crystal Reports.

Can this be done dynamically?

Thanks
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Question by:CipherIS
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15 Comments
 
LVL 18

Expert Comment

by:vasto
ID: 41731500
You can prepare your dataset in the application, use it for the grid and and then use it as also as a datasource in Crystal report. Here is an article explaining how to develop the report and how to set the datasource:
http://www.emoreau.com/Entries/Articles/2006/09/Feeding-Crystal-Reports-from-your-application.aspx

Crystal reports have the ability to sort data dynamically too. If the only requirement is to sort the data you can do this directly in the report. If you want also to filter the data then you need to use the grid and the report. If you change the order of the columns in the grid or add/remove columns, group data etc .  this is not going to be transferred to the Crystal report. The report and the grid will use the same datasources but will have separate layouts.
0
 
LVL 1

Author Comment

by:CipherIS
ID: 41731517
Yes, I use a dataset. I usually use an XSD and pass the dataset to the report.

The solution I'm looking for is:

1.  Report at this time will contain 3 fields with no grouping.
2.  Report at this time will contain 4 fields with one grouping.
3.  Report at this time will contain 4 fields with one grouping.
Etc.

Each an any scenario, when the user clicks on the Print Preview button to display the report accurately.
0
 
LVL 70

Expert Comment

by:Éric Moreau
ID: 41731609
wouldn't it be easier to just use the print feature of the grid?
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LVL 1

Author Comment

by:CipherIS
ID: 41731718
Is that possible?  

I also need to add a logo, Page # of #, DateTime.  Which is why I was using Crystal Reports.
0
 
LVL 18

Expert Comment

by:vasto
ID: 41731719
You can create different reports or subreports and run the right one based on the user action. However, very soon you will be in trouble because the users will start asking for new options. It is just not a good idea to use fixed structure as Crystal reports as a preview of dynamic , which is the table. As Eric said, just use the grid preview
0
 
LVL 1

Author Comment

by:CipherIS
ID: 41731723
So, a dynamic report is NOT possible?
0
 
LVL 70

Expert Comment

by:Éric Moreau
ID: 41731798
nothing is impossible but in the case you want the user to control everything (column order, sort order, grouping, ...), CR is surely not the way to go.

maybe creating a HTML output from your grid would be a nice workaround! have a look at http://emoreau.com/Entries/Articles/2009/04/Using-LINQ-and-XML-Literals-to-transform-a-DataTable-into-a-HTML-table.aspx
0
 
LVL 1

Author Comment

by:CipherIS
ID: 41731808
If grouping is removed and user can only change column order and sort order?
0
 
LVL 70

Expert Comment

by:Éric Moreau
ID: 41731834
it would be easier but then you will need to deal with column width and formatting and ...

I told you, HTML is surely your best option
0
 
LVL 18

Expert Comment

by:vasto
ID: 41731839
Crystal is fixed layout, you can add some codding and based on parameters to hide/show fields so for example you can show Customer field as a first , second, third etc.. column . However this will be enormous amount of work for very small benefit. You can use preview from the grid, it will show the data in the same was as it was on the screen.
0
 
LVL 1

Author Comment

by:CipherIS
ID: 41731917
How can I show preview from the grid?
0
 
LVL 70

Expert Comment

by:Éric Moreau
ID: 41731929
for questions about the Infragistics UltraGrid, your best source will surely be http://www.infragistics.com/community/forums/65.aspx
0
 
LVL 101

Accepted Solution

by:
mlmcc earned 500 total points
ID: 41734556
How many columns might you want?

Are they different types?

You could pass parameters into the report with the field names or some indicator of the field then use formulas to display the data in the correct order.  You can do they same for grouping

Example

If {?Param1} = 'Name' then
    {NameField}
Else if {?Param1} = 'Address' then
    {AddressField}
Else if {?PParam1} = 'Salary' then
    CStr({SalaryField},2)
Else  
     ''

Similarly for grouping.

Put the formulas on the report in the desired format.
mlmcc
0
 
LVL 1

Author Comment

by:CipherIS
ID: 41734784
@mlmcc - question

So, if I use the parameters - lets say I create 5 of them but only need 3 for one report what will happen with the other 2?  I don't want errors on the report.

Thanks
0
 
LVL 101

Expert Comment

by:mlmcc
ID: 41735422
Depending on the version of Crystal, you could make them all optional.

Another solution would be to pass a "bad" value so the formula results in a blank being displayed.

mlmcc
1

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