How Can I Execute an .SQL Script File Using C#?

Execute .SQL script file using C#

This article introduces several methods of executing .SQL files in C#. It is recommended to use Microsoft's SQL Server Management Objects (SMO).

Implementation using SMO:

1. Import the following namespace:

   <code class="language-csharp">using Microsoft.SqlServer.Management.Smo;
   using Microsoft.SqlServer.Management.Common;</code>

2. Establish a connection to the SQL Server database:

   <code class="language-csharp">string sqlConnectionString = @"Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=YourDatabaseName;Data Source=YourSQLServerName";
   SqlConnection conn = new SqlConnection(sqlConnectionString);</code>

3. Create a Server object to represent SQL Server:

   <code class="language-csharp">Server server = new Server(new ServerConnection(conn));</code>

4. Execute .SQL script:

   <code class="language-csharp">string script = File.ReadAllText(@"Path\To\Your.sql");
   server.ConnectionContext.ExecuteNonQuery(script);</code>

Code example:

<code class="language-csharp">using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Microsoft.SqlServer.Management.Smo;
using Microsoft.SqlServer.Management.Common;
using System.IO;

public partial class ExcuteScript : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string sqlConnectionString = @"Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=YourDatabaseName;Data Source=YourSQLServerName";
        string script = File.ReadAllText(@"Path\To\Your.sql");

        SqlConnection conn = new SqlConnection(sqlConnectionString);
        Server server = new Server(new ServerConnection(conn));
        server.ConnectionContext.ExecuteNonQuery(script);
    }
}</code>

Note:

• Make sure the .SQL file is properly formatted and contains valid SQL statements.
• To capture execution output, you can use server.ConnectionContext.ExecuteWithResults(script) instead of ExecuteNonQuery.

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