asp.net 操作存储过程

 protected void Button1_Click(object sender, EventArgs e)
    {
        string getNewsTitle = this.TextBox1.Text.ToString().Trim();
        string getNewsContent = this.TextBox2.Text.ToString();
        string getNewsAuthor = this.TextBox3.Text.ToString();

        string strConn = WebConfigurationManager.ConnectionStrings["SteelFactoryConnectionString"].ConnectionString;
        SqlConnection myConn = new SqlConnection(strConn);
        SqlCommand mycomm = new SqlCommand("sp_AddNews",myConn);
        mycomm.CommandType = CommandType.StoredProcedure;

        #region 为 3个参数指定数据类型并赋值
        SqlParameter[] paras = 
        {
            new SqlParameter("@sNewsTitle",SqlDbType.NVarChar,100),
            new SqlParameter("@sNewsContent", SqlDbType.NText),
            new SqlParameter("@sNewsAuthor", SqlDbType.NVarChar, 50),
                    
        };

        paras[0].Value = getNewsTitle;
        paras[1].Value = getNewsContent;
        paras[2].Value = getNewsAuthor;
       
        foreach (SqlParameter pa in paras)
        {
            mycomm.Parameters.Add(pa);
        }

        myConn.Open();
        try
        {
            mycomm.ExecuteNonQuery();

        }
        catch
        {
            this.Label1.Text = "操作遇到不可知错误！请与管理员联系";

        }

        #endregion

    }