NET Data Provider The key for retrieving data from multiple data sets is using sult. Just came across this, would be better to use do { } while (sult ()) here. Result set could be empty and s will return false. It's not only better, it's only correct way. Login to post response. Exception Details: System.
Executes the query, and returns Another solution to be aware of, in addition to the manual SqlDataReader method, in the accepted answer, is to use a SqlDataAdapter and DataSet s and DataTable s. When using those classes, the entire result set is retrieved from the server in one go, and you can iterate them at your leisure. NextResult but before the second while loop? Login to post response.
ManagementSystem set to Unmanaged Just call the “NextResult ()” on the data reader, and the second query returned from the Stored Procedure will be active. This can be used any number for any number of result sets, with zero additional configuration or setup. NET Core appsettings. So call it before each while loop. Exception Details: System.
SqlDataReader reader = tfolioTreeReader(date);. TreeNode You'll want to use the NextResult () of SqlDataReader to get the next result set: sult (); sult () returns true if there's another result set, false otherwise, so you could (in your example code), use the following loop to avoid having 3 sets of code doing essentially the same thing. The GetString string name and related methods that take a string instead of an integer are extension methods that are located in the System. Exception Details: System.
We have used a Retrieve multiple result-sets using NextResult If the DataReader returns multiple result sets, call the NextResult method to iterate through the result sets sequentially. The following example shows the SqlDataReader processing the results of two SELECT statements using the ExecuteReader method. C#. ConnectionStrings[ "ConnStr" ]. The first result set can be accessed by simply calling the reader object however to access the second result set, we need to explicitly call the NextResult method of the reader object.
Ck in2u gift set, Just call the “NextResult ()” on the data reader, and the second query returned from the Stored Procedure will be active. This can be used any number for any number of result sets, with zero additional configuration or setup. This proved insanely helpful when adding additional summary information on large volume of data. NET Core 3. Comment using Author doesn't get notification.
Sets result sqldatareader multiple
In order to retrieve more than one result sets using Stored Procedure or multiple select statements in one go using SqlDataReader, we can follow this approach. Below is the GridView code on my ASPX Page ASPX PAGE. NET is a mechanism to communicate with the database. Manage Settings Continue with Recommended Cookies.In the mean time you The result is symptomatic of SQL joins. To reduce the size of our result set, we could execute two SQL queries. select * from People where Id = 1; select * from Foods where PeopleId = 1; You notice we have nine rows in total, but not data duplication. The database returns each result separately. Login to post response. Exception Details: System. HasRows … while reader.