crystal report in asp net

ASP. net mvc series: adds new attributes to existing models. asp. netmvc Add a new attribute Rating to the model class Movie. Recompile and regenerate the solution. Press Ctrl + Shift + B to add new data to the corresponding view, as shown in figureIndex. cshtmlMedium After the editing is complete, the System reports an exception: "System. InvalidOperationExcep

1. ASP. net mvc use EPPlus to export data to Excel. 1. asp. netepplus I haven't written a blog for a long time. I want to update it today. Today we want to learn how to export data to an Excel file. Here I am using the free open-source Epplus component. Source code download: https://github.com/caofangsheng93/ExcelExportInMvc Introduction This article describes ho

the attribute Location = "Client" in OutputCache. The Code is as follows: Copy codeThe Code is as follows: By adding the Location attribute to OutputCache, we implement the Client Cache. Some people may ask: "each user's first page request must be completed by the server, which cannot effectively reduce the service pressure ". Indeed, compared with the server cache, the client cache does not reduce code execution and database operations, but when we cache pages that contain personalized data on

entity class to the Book table in the database. 2) Create the code to update the table books table structure in the database. Such as. 3) Visual Studio 2017 is named for the migration file with the new field "publishing" as the current date + field name. Such naming helps to manage it. Such as. 5. After executing the instructions above , in the PMC, enter the following command, Update-database 7. After executing the above instructions, the publishing field is added to the database. Such as.

2.0 and 3.0, it still retains the high-speed method of core optimization. Speed is not the only factor to consider. Memory usage is also important. Security. ASP. NET runs on IIS, and IIS has been attacked countless times-as confirmed in the IT news report every other week. IT has become a burden. In fact, despite its huge investment in sales promotion, many IT

An effective way to create a localized webpage is to select resources for webpage text and controls based on your language and culture. By using attributes in resource objects, ASP. NET can select the correct attributes at runtime based on the user's language and culture. This process is direct: Resource file (. resx) storage value. On the page, you can instruct the control to use resources for the contr

generated URL: Http: // [server]/[application]/SalesReportSummary/2011 Http: // [server]/[application]/SalesReport/CA/2009 Http: // [server]/[application]/ExpenseReport/CA/2008? Category = recreation Copy the URL Ending with SalesReport/CA/2009 to the Windows clipboard and close the "View Source" window. Paste the URL into the address bar of the browser, change CA to "invalidlocale", 2009 to "invalidyear", and then press Enter.A page similar to the following is displayed:You ca

ASP. net mvc quick development framework, asp. netmvc The previous framework made a lot of money by taking it out for private work. Later, I also used it in my company's projects. The boss found that I was doing something very fast, so I was asked to work as a project manager, and I was asked to bring three new users who were weak in technology and could not do t

ASP. NET web printing-Ultimate SolutionComrades who have worked on BS development should have a deep understanding thatProgramPrinting is no longer as easy to control as in applications. Some inherent features of web programs cause this disadvantage, such as: the printer is local, and the file may indeed be on the server; how to Control and customize the format. It has brought us a lot of problems in develo

from the cacheCall the Remove Method to pass the key of the item to be removed.The following example shows how to remove an entry whose key is mydata1.Cache. Remove ("mydata1 "); Notification application when items are removed from the cacheIn most cache schemes, items need to be removed from the cache until they are required again. A typical development mode is to always check whether the item is in the cache before you use it. If the item is in the cache, it can be used. If it is not in the

"); 　　ASP. NET cache data tips: Notify the application when deleting a cache itemIt may be useful to notify the application when items are removed from the cache. For example, a report with a cache may take a lot of time to process. When the report is removed from the cache, you do not have to wait fo

test. The following code tests a controller.Code: [Testmethod] Public VoidAboutoverride () { Homecontrollerfortest controller =NewHomecontrollerfortest (); Controller. About (); Assert. areequal ("Index", Controller. selectedviewname, "Shocould have redirected to index"); } [7]New log reporting, database management, and other cool admin modules for IIS 7(New iis7 modules: log reports, database management, etc) Scott introduced some other management modules in fancy

processing process. Do not add unnecessary complexity and coupling between the process. It is worth mentioning that there are many people who question why such a branch selection dialog box function should be provided on the Web. My opinion is as follows: since the process of the client software has this function, it is quite normal for the Web application to have this function. When you delete a blog post, ask if you are sure to delete it, do some people think this function is a design error?

might want to log all of the pages, we simply add them to the controller level. Here we add it to the two controllers provided by the ASP.1 //HandleError was already there ...2 [HandleError]3 [Logrequest]4 Public classHomecontroller:controller5 { 6 ... 7 } 8 //HandleError was already there ...9 [HandleError]Ten [Logrequest] One Public classAccountcontroller:controller A { - ... -}That ' s it! The ASP