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I just tried same but in my case I received "Table can not be found! Then i figured out if my query didn't return empty result set , but instead returned error , above method won't work. The code I'm writing calls the method like this Data Set ds = Get Results(sql, conn). Instead simple but easier way is to use check for ds. Looping through tables and counting rows will definitely work, but check out the Extended Properties property of Data Set, which would allow you to set this kind of custom information from within Get Results() and use it upon return. Data Reader Data Reader is used to read the data from database and it is a read and forward only connection oriented architecture during fetch the data from database.Data Reader will fetch the data very fast when compared with dataset.Answer 1: ADO stands for Active Data Object and ADO. For example, ODBC data providers work with ODBC data sources and Ole Db data providers work with OLE-DB data sources. NET components model and how they work together: See for more detail: Answer 3: A Data Set object falls in disconnected components series. The data provider components are specifically designed to work with different kinds of data sources.Empty, or to some other actual value, before it will compile in C#, or run without exception in VB. Net, set [a = “something”] before you attempt to do anything with it. Strings and some other CTS types have a misconception of being value types, like Integers, and they are not.
NET applications for data source communication using a driver or provider: Answer 2: ADO. For example, you can use a Data Table object with or without providers and shared or common components are the base classes for data providers.
I will be using Sql objects directly into methods to keep the example simple and straight forward.
In practical scenario you should use your existing architecture to populate and update the data.
I have specified Data Key Names as Auto ID, the primary key of the database table.
Then I have several methods attached with following events Get video of hundreds of ASP. On Row Editing - Edit Record On Row Cancel Edit - Cancel Record On Row Updating - Update Record On Row Deleting - Delete Record As I set Auto Generate Columns property to false so I am going to manually write the fields name that I need to appear in the way I want.