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Editorial Team
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Asked: 2026-06-17T06:40:42+00:00

SqlConnection con = new SqlConnection(Data Source =TWPL-PC\\SQLEXPRESS;Initial Catalog=TWPLSOFTWARE;Integrated security = True); con.Open(); SqlCommand cmd

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SqlConnection con = new SqlConnection("Data Source =TWPL-PC\\SQLEXPRESS;Initial Catalog=TWPLSOFTWARE;Integrated security = True");
con.Open();
SqlCommand cmd = new SqlCommand("select IG_ID ,ITEM_GROUP_NAME ,MAIN_GROUP from ITEM_GROUP where ITEM_GROUP_NAME=@ITEM_GROUP_NAME", con);
cmd.Parameters.Add(new SqlParameter("@ITEM_GROUP_NAME", omboBox2.SelectedItem.ToString()));
SqlDataReader dr = cmd.ExecuteReader();

How can I install my program on a different machine when it has an embedded connection string pointing to a database on my own machine? When installed on the other machine it needs to point to its own local instance.

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1 Answer

  1. Editorial Team

    If TWPL-PC is the name of your machine, then simply change the connection string to: 

    SqlConnection con = new SqlConnection("Data Source=.\\SQLEXPRESS;Initial Catalog=TWPLSOFTWARE;Integrated security = True");

    Note the . instead of the specific machine name – it is a simple shortcut that means localhost (i.e. the current machine).

    If TWPL-PC is the name of a server that the instance of SQL Express is installed on then you will need to make sure “the other computer” can see that same server.

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