If you are one of the people who used and enjoyed sql server reporting services ssrs in sql 20 and you wanted to use it in your windows/web applications without the server side components just like what you are doing with crystal reports. Reportviewer controls are two controls for windows and web applications that can either show reports produced by sql server reporting services or process and render reports locally. These reports are called local report and it's intended to provide reporting features without ssrs. You can use them without having a license for ssrs but be aware that you would lose some features like

There is no parameter input area in a client report definition that accepts values that are subsequently used in a query. So you have to provide a datasource for your report like a dataset, datatable… browser based printing through the rsclientprint activex control is not available for client report definitions that run in the reportviewer web server control. You would loose all collaboration activities of ssrs like scheduling to send reports to some users at specific time

i used reportviewer for windows forms in small report in which i had to add custom code in it and i had some problems that i would like to share with you solutions for them. First we would go quickly through the process of creating simple report as following: 1 create a new windows forms project and open its form. Drag the reportviewer control from the data tab as shown in the image below 2 use the smart tag tasks to dock the report in all the form you can use properties window as well. From solution explorer, right click on the project name then choose add new item then choose report.

3 the report file would have the extension rdlc not rdl as it would be in server reports. 4 local reports need to have a data source so go to data sources window and create your data source let's say that it will get all category name and description from categories table in northwind 5 from the toolbar window, drop a table inside the report 6 from the data source window, drag amp drop the categoryname and description fields to the details row of the table. Let's bind it to the reportviewer 7 return back to the reportviewer and from the smart tag menu choose, select your report name from the drop down menu. why would you add custom code? you may want to add custom code to the report to do more actions than what's provided with the report functions. You may want to add custom code to implement simple string manipulation task or sophisticated data access manipulation.

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Cod added to local report can be one of two types: embedded code: added directly inside the rdlc file. custom assemblies: you can add a reference in external assembly and use functions inside it. You add it as following: embedded code:

on the report menu, click report properties. custom assemblies:

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In classes, type name of the class and provide an instance name to use within the report. That's in the case of instance members, in the case of static shared in vb members, you don't need to add anything in classes.

you can add class members only properties, methods, fields but you can't add classes because these members are encapsulated in a class at runtime, this class called code class. In a report we have in our project, we receive fields in each record that must be placed on their own line, but within the same column.

For example, if we have 4 maintenance codes in the current record, we must show them in the same column. So, we must add a vbcrlf to the end of each field, then show the next one on the line beneath. However, we cannot be sure which of the 4 may be null therefore, we added a function to the custom code of the report see attached code snippet. We intended this function to clear empty lines from a record when no value was available. If we just used the expression fields!value1 amp vbcrlf amp fields.value2 amp vbcrlf. When we attempt to use the function in the expression property of the field in question, we keep getting an 'unrecognized identifier' error, as if the function did not exist, as if it had never been added to the code tab of the report. Of course when the report is run in the program, we get the ever popular ' error' string as our column value.

I have been trying to add some custom code to my data report .rdlc but i really donot know where to write the code. In vb6, i could do it behind the report, in code area but i donot know where is the code area in vb.net. This article of mine would help you in understanding and learning on how to use custom code: localization of ssrs reports ^ now, pointwise: 1 i have added a text box to header of the report, i want to assign some value to it from my variable. you can do it via custom code or using a hidden textbox in report body and referring that as a reportitem object in your header.