title: Format of the initialization string does not conform to specification starting at index 35
body: <p>I created a login in SSMS and added a connectionString in Web.config as follows:
  <br/></p>
  
  <pre><code>&lt;add name="KhadamatConnectionString"
           connectionString="data source=.;Database=AcaService; uid=admin pwd='mypass'"
           providerName="System.Data.SqlClient"/&gt;         
  </code></pre>
  
  <p>I get the following error: <br/></p>
  
  <p><strong>Format of the initialization string does not conform to specification starting at index Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
       Exception Details: System.ArgumentException: Format of the initialization string does not conform to specification starting at index 35.</strong></p>
  
  <p><br/>
  this is my code to submit some data: <br/></p>
  
  <pre><code>protected void btnSend_Click(object sender, EventArgs e)
  {
      string connectionString=ConfigurationManager.ConnectionStrings["KhadamatConnectionString"].ConnectionString;
      SqlConnection sc = new SqlConnection(connectionString);
      sc.Open();
      if (sc.State == ConnectionState.Closed)
      {
          lblMsg.ForeColor = System.Drawing.Color.Red;
          lblMsg.Text = "خطای ارتباط با پایگاه داده";
          return;
      }
      SqlCommand sqlCmd = new SqlCommand();
      sqlCmd.Connection = sc;            
      sqlCmd.CommandType = CommandType.Text;
      sqlCmd.CommandText="INSERT INTO tblComment VALUES(@name,@email,@comment)";
      sqlCmd.Parameters.Add(new SqlParameter("@Name",System.Data.SqlDbType.NVarChar));
      sqlCmd.Parameters.Add(new SqlParameter("@Email",System.Data.SqlDbType.NVarChar));
      sqlCmd.Parameters.Add(new SqlParameter("@Comment",System.Data.SqlDbType.NVarChar));
      sqlCmd.Parameters["@Name"].Value=txtName.Text;
      sqlCmd.Parameters["@Email"].Value=txtEmail.Text;
      sqlCmd.Parameters["@Comment"].Value=txtComment.Text;
      SqlDataAdapter sda = new SqlDataAdapter(sqlCmd);
      DataTable dt = new DataTable();
      sda.Fill(dt);
      lblMsg.ForeColor = System.Drawing.Color.Green;
      lblMsg.Text="اطلاعات ذخیره شد";
      sc.Close();
  }
  </code></pre>