You can make method which return the datatable of given sql query: public DataTable GetDataTable() { SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["BarManConnectionString"].ConnectionString); conn.Open(); string query = "SELECT * FROM [EventOne] "; SqlCommand cmd = new SqlCommand(query, conn ...

The majority of our examples demonstrate client-side functionality, but in this case, the example shows how data can be read from a VIEW on the database, while still being written to the base table for the other CRUD actions.

Mar 30, 2023 · DataTable has a Select method. This method receives a string expression that specifies what rows we want to handle. Select () makes DataTables act like small databases. Some warnings. With Select, we must specify valid SQL-like strings. Otherwise an EvaluateException will be thrown. Select () is a powerful method, but not easy to use.

Oct 18, 2012 · Use SqlDataAdapter to fill a DataTable. Use using block with your SqlConnection, SqlCommand and SqlDataAdapter since they implement IDisposable interface. Also use Parameterized query. Wouldn't you want to include the "using" statement with the SqlCommand and SqlDataAdapter as well, since they also implement IDisposable?

Aug 17, 2023 · We do that using sentences that we call queries, which are SQL commands for retrieving data from the database. We’ll soon show you 20 basic SQL query examples to start talking with the database. All these queries are taught in our SQL Basics course.

I have a DataTable in C# which I am returning from SQL server. I am passing this datatable to couple separate functions. Can I send some sort of query directly to the DataTable, instead of looping over all records?

Mar 12, 2025 · In this guide, we will see a comprehensive cheat sheet for essential SQL operations, offering a practical reference for tasks ranging from database creation to advanced data handling techniques.

Feb 28, 2023 · Compute a Running Total in SQL.

Feb 23, 2022 · If you are just getting started with writing SQL queries and looking for an introduction on how to write basic queries for Microsoft SQL Server take a look at this tutorial for some examples on how to learn SQL SELECT, INSERT, UPDATE and DELETE commands.

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