How do I create a connection to sqlserver in VS2022?

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VS2019

I have been trying to create a program in VS2022. I spent all day yesterday trying to get a recordset of data from a MS SQL server.

Have you got any idea? At All? The documentation is AWFUL! The advice from SO is what I have been using successfully in VS2015 and VS2017.

It does not work in VS2019.

What I have tried:

MS documentation, Stack Overflow.

I must be missing something....

Posted 21-Mar-22 2:52am

Slow Eddie

Updated 21-Mar-22 5:00am

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Maciej Los 21-Mar-22 9:50am

Have you tried this: Add new connections - Visual Studio (Windows) | Microsoft Docs[^]

Richard MacCutchan 21-Mar-22 10:44am

What have you tried and what results do you get? We cannot guess what your code is doing.

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OriginalGriff · Accepted Answer · 2022-03-21T05:00:00

Here's my toolbox boilerplate code:

C#

string strConnect = SMDBSupport.SMInstanceStorage.GetInstanceConnectionString("MyDBName");
string sql = "SELECT Id, Desc FROM MyTable";
using (SqlConnection con = new SqlConnection(strConnect))
    {
    try
        {
        con.Open();
        using (SqlDataAdapter da = new SqlDataAdapter(sql, con))
            {
            using (DataTable dt = new DataTable())
                {
                da.Fill(dt);
                myDataGridView.DataSource = dt;
                }
            }
        }
    catch (Exception ex)
        {
        Debug.WriteLine(ex.ToString());
        }

The connection string comes from a "common source" datafile: Instance Storage - A Simple Way to Share Configuration Data among Applications[^] - that may be overkill for you, so this may also help: Simple SQL Connection String Creation[^]