Question

一个关于ASP.NET得程序填空题 哪位大神帮忙解答一下？

(1)_______________________________//引入命名空间
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        private void button1_Click(object sender, EventArgs e)
        {
            string id = this.textBox1.Text.Trim();
            string name = this.textBox2.Text.Trim();
            string count = this.textBox3.Text.Trim();
            SqlConnection con = new SqlConnection("server=localhost;database=Storage;integrated security=sspi");
           (2) ______________________
              SqlCommand com = new SqlCommand();
           (3) ______________________
(4)______________________
           (5) ______________________
con.Close();
       }   
 }
}

Answer 1

Using System.Data.SqlClient;
第一个空
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