You are creating a Web Form. You write the following code segment to create a SqlCommand object.Dim conn As SqlConnection = New SqlConnection(connString)conn.Open()Dim cmd As SqlCommand = conn.CreateCommand()cmd.CommandText = "select count(*) from Customers"You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal?（）A. Dim customerCount As Object = cmd.ExecuteScalar()lblCompanyName.Text = customerCount.ToString()B. Dim customerCount As Integer = cmd.ExecuteNonQuery()lblCompanyName.Text = customerCount.ToString()C. Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr(0).ToString()D. Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr.ToString()

You are creating a Web Form. You write the following code segment to create a SqlCommand object.Dim conn As SqlConnection = New SqlConnection(connString)conn.Open()Dim cmd As SqlCommand = conn.CreateCommand()cmd.CommandText = "select count(*) from Customers"You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal?（）

A. Dim customerCount As Object = cmd.ExecuteScalar()lblCompanyName.Text = customerCount.ToString()

B. Dim customerCount As Integer = cmd.ExecuteNonQuery()lblCompanyName.Text = customerCount.ToString()

C. Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr(0).ToString()

D. Dim dr As SqlDataReader = cmd.ExecuteReader()dr.Read()lblCompanyName.Text = dr.ToString()

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