What do you think of using modern data access technologies in legacy apps? Not replacing the data access layer with a new layer, but having a mix of data access methods in the same layer.
There are a lot of examples online of how to fill a DataSet from a text file but I want to do the reverse. The only thing I\'ve been able to find is this but it seems... incomplete?
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Whenever I add dataset in my class library project using the wizard it gives me an option to save the connection string in app.config file and after selecting the option it do save the string in file
I开发者_如何转开发 have a datatable in a typed dataset with a date column When I change the NullValue property to return null or empty , vs 2008 wont let me.
This question in partially related to my previous post on this subject. I would like to know after a ChartPanel has been constructed :
I want to search record based on following fields P_num ,P_name, P_dob,P_code I am using more than 4 tables to retrive data,
I have C# WCF service.There I want to convert to JSON String.DataSet containmore table Currntly coming result some wrong json format.
DataTable dt1 = new DataTable(); DataTable dt2 = new DataTable(); dt1.Columns.Add(\"id\"); dt2.Columns.Add(\"id\");
The RODBC documentation suggests it is possible, b开发者_Python百科ut I am not sure how to read data from a Microsoft Access (the new .accdb format) file with this package into R (on Debian GNU/Linux)
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