SQL Server Reporting Services Embedding . NET Code for Report Formatting and Error Handling. Problem. I want to embed code into my SQL Server Reporting Servers (SSRS) to allow special formatting for report output. How do I implement and deploy this code and what functionality can use this embedded code? Solution. SQL Server Reporting Servers (SSRS) fully supports embedding code into a SSRS report. By embedding code into your SSRS report, you are able to take advantage of several benefits including: code reuse. Of course, as with any functionality some caveats exist which include: Microsoft Visual Basic must be used for the coding (that may not be a terrible disadvantage except for the hard core C++ programmers ).
System. Convert and System. Math namespaces. if you pass a parameter collection to the code, the collection is read only and cannot be interrogated using a foreach construct. Using Code Reference in SSRS for Formatting. The process of adding code to a report will be fully described below; we will use the Adventure.
Works 2. 01. 2 database as the basis for the SSRS report; the database is available on Codeplex. Once you download and install the database, you can also download a set of sample SSRS reports which use the Adventure. Works database as their data source.
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These sample reports are available for download. These reports provide a good basis for implementing the embedded code functionality. For this tip, we will use the sample Sales Order Detail report which displays various details about a group of sales orders including unit price as shown below. Let's say that the report user would like any unit cost on the report over $1. Also, maybe a similar highlight is needed for the line total column, the column farthest on the right in the above example.
How do I install Piwik? What are the requirements for installing Piwik? Is there a Video that explains how to Install Piwik? Do I need to create a MySQL database? How do I find out which version of PHP I have? On the File menu, click Install New Font. In the Drives box, click the drive that contains the font that you want to add. Note The floppy disk drive is typically drive A or drive B. The CD drive is typically drive D. I have similar issue where my SSRS report of 80 pages works fine until 72 pages and the last 8 pages have bigger font with no border lines. This happens only in report viewer but when i export it to PDF,xls. CSID launches Small Business Monitoring product to enable this population to mitigate risk of cyber attack.
Of course we could go to the backgroundcolor property box and create an IIF statement to toggle the colors; however a more streamlined alternative would be to add some custom code to toggle the backgroundcolor. An example of such code is displayed below. The function starts with 3 comment lines to describe what the VB code is being used for.
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Next we define the function name and declare any variables which will be passed to the function; in this example, an Input. Value data point and a Thresholdvalue data point will be passed to the function. Next, a simple IF statement compares the Input. Value to the Thresholdvalue, and if the Input. Value is greater than the Threshold. Value, then . To access report properties, as noted below, first the report must be in design mode in SQL Server Data Tools (SSDT), then click on Report from the Tool Bar Menu and then Report Properties.
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Next, click on the Code option and the . The last step to this process is to implement this code into the backgroundcolor property field for the two fields which require highlighting, unit price and line total. In order to call our custom code, we must first reference the . Also, note that the code section, just like any other Visual Basic document can have many functions embedded in the report. For this example, we would input, =Code. BGColor(Fields! Unit. Price. Value,1. 50), into the Background.
Color property of the unit price field. Similarly, =Code. BGColor(Fields! Line. Total. Value,1. 50) is used in the line total field. Both of these are illustrated below. Now when we run the report, as illustrated below, the unit price and the line total cells are highlighted yellow when the value is greater than $1. Also, imagine that the highlight has actually been added to not just 2 cells, but maybe 2.
In our example, using the code functionality now only requires us to change the color in just one place in the code snippet and not each of the backgroundcolor property boxes for each cell. Changing the color in just one place is definitely better than 2. Finally, we could easily make a second change and also highlight any of the data points not meeting the threshold in Red, again by making just one small adjustment.'*************************************************************************' Set Background color based on input value and threshold'*************************************************************************Function BGColor(By.
Val Input. Value AS double, . That change was very simple! Using Code Reference in SSRS for Divide By Zero. Certainly, you could follow similar logic for font size, weight, and color and many other formatting options. Even so, the embedded code function can do more than just formatting.
One common use for me is to alleviate divide by zero errors which commonly display in report server as illustrated below in the Error Column cell. This column divides the Unit Price by the Discount; as you can see the discount field is zero which in turn results in . Most report consumers hate seeing the word error in their reports, so we can use embedded code to more . Hopefully, the first two variables are self- explanatory, whereas the third argument is what will be returned if the denominator is 0. This last argument allows the report designer to customize what will be displayed when a divide by zero issue occurs.
Thus, if the denominator is 0, we display the default value; otherwise the division calculation is completed.'*************************************************************************. Handle divide by zero without an error. Author: Scott Murray. Public Function Calc.
Division(By. Val Numerator As Object, . To implement this function we would add the following expression to the appropriate cell =Code. Calc. Division(Fields! Unit. Price. Value,Fields! Unit. Price. Discount.
Value,Nothing). Now when we preview the report, shown below, we get a blank cell which is more graceful than displaying . Now the report displays . Conclusion. SSRS allows us to add embedded customized code to a report in order to perform functions that may not be available or easily implemented in SSRS. The code which is embedded must be Visual Basic and allows for code reuse which in turn may simplify report updates. Furthermore the code function can accept and return various variables / strings, however when passing a parameter collection it is read only. In addition to embedded code, custom assemblies and group variables can be added to a report.
I am hoping to cover those two items in future tips. Next Steps. Last Update: 4/7/2. About the author. Scott Murray has a passion for crafting BI Solutions with Share.
Point, SSAS, OLAP and SSRS.