How to create connection string dynamically in C# [closed]

问题

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Closed 6 years ago.

How to create connection string dynamically in C#, instead of creating it using string concatenation?

回答1:

You can create dynamic connection string with SqlConnectionStringBuilder Class in C# as follows.

for more details pls check http://msdn.microsoft.com/en-us/library/dce36088.aspx

private void Form1_Load(object sender, EventArgs e)
{
     SqlConnectionStringBuilder connectionString = new SqlConnectionStringBuilder();
     connectionString.DataSource = @".\SQLEXPRESS";
     connectionString.InitialCatalog = "MyDatabase";
     connectionString.IntegratedSecurity = true;
     MessageBox.Show(connectionString.ConnectionString);
}

回答2:

you better use ADO .NET entity model. check this please: Tutoriel ADO .NET

来源：https://stackoverflow.com/questions/16511244/how-to-create-connection-string-dynamically-in-c-sharp