visual studio C#连接sql server 失败

Question

   string strConnection = "Data Source=.;Initial Catalog=CustomerDB1;Persist Security Info=True;User ID=sa;Pooling=False";
            SqlConnection objConnection = new SqlConnection(strConnection);
            objConnection.Open();

            string strCommand = "Select * From Customer";
            SqlCommand objCommad = new SqlCommand(strCommand, objConnection);

            DataSet objDataSet = new DataSet();
            SqlDataAdapter objAdapter = new SqlDataAdapter(objCommad);
            dtgCustomer.DataSource = objDataSet.Tables[0];
            objConnection.Close();

错误

尝试了多种方法，

Answer 1

你的连接串里连password都没有，是怎么登录的呢