C# 使用C在Asp.net中使用web服务将数据插入数据库#

我想知道是否可以请您帮助我使用C#在Asp.net中使用web服务将数据插入数据库。 我通过MySql工作台创建了数据库，然后创建了Web服务，之后我尝试在这个链接中应用教程 ，但它对我不起作用，这是正在使用的代码：

using System.Linq;
using System.Web;
using System.Web.Services;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;
using System.Web.Services.Protocols;
using System.Xml.Serialization;
using System.Xml;

namespace toleen
{
    /// <summary>
    /// Summary description for Service1
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
    // [System.Web.Script.Services.ScriptService]
    public class Service1 : System.Web.Services.WebService
    {

        [WebMethod]
        public DataTable Get()
        {
            string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
            using (SqlConnection con = new SqlConnection(constr))
            {
                using (SqlCommand cmd = new SqlCommand("SELECT * FROM nursery"))
                {
                    using (SqlDataAdapter sda = new SqlDataAdapter())
                    {
                        cmd.Connection = con;
                        sda.SelectCommand = cmd;
                        using (DataTable dt = new DataTable())
                        {
                            dt.TableName = "nursery";
                            sda.Fill(dt);
                            return dt;
                        }
                    }
                }
            }
        }

        [WebMethod]
        public void Insert(int n_id, string n_name, string n_address)
        {
            string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
            using (SqlConnection con = new SqlConnection(constr))
            {
                using (SqlCommand cmd = new SqlCommand("INSERT INTO nursery(n_id, n_name, n_address) VALUES (@n_id, @n_name, @n_address)"))
                {
                    cmd.Parameters.AddWithValue("@n_id", n_id);
                    cmd.Parameters.AddWithValue("@n_name", n_name);
                    cmd.Parameters.AddWithValue("@n_address", n_address);
                    cmd.Connection = con;
                    con.Open();
                    cmd.ExecuteNonQuery();
                    con.Close();
                }
            }
        }

        [WebMethod]
        public void myThrow()
        {

            // Build the detail element of the SOAP fault.
            System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
            System.Xml.XmlNode node = doc.CreateNode(XmlNodeType.Element,
                 SoapException.DetailElementName.Name, SoapException.DetailElementName.Namespace);

            // Build specific details for the SoapException.
            // Add first child of detail XML element.
            System.Xml.XmlNode details =
              doc.CreateNode(XmlNodeType.Element, "mySpecialInfo1",
                             "http://tempuri.org/");
            System.Xml.XmlNode detailsChild =
              doc.CreateNode(XmlNodeType.Element, "childOfSpecialInfo",
                             "http://tempuri.org/");
            details.AppendChild(detailsChild);

            // Add second child of detail XML element with an attribute.
            System.Xml.XmlNode details2 =
              doc.CreateNode(XmlNodeType.Element, "mySpecialInfo2",
                             "http://tempuri.org/");
            XmlAttribute attr = doc.CreateAttribute("t", "attrName",
                                "http://tempuri.org/");
            attr.Value = "attrValue";
            details2.Attributes.Append(attr);

            // Append the two child elements to the detail node.
            node.AppendChild(details);
            node.AppendChild(details2);

            //Throw the exception    
            SoapException se = new SoapException("Fault occurred",
              SoapException.ClientFaultCode,
              Context.Request.Url.AbsoluteUri,
              node);

            throw se;
            return;
        }
    }
}

但是当我进行stat调试时，这个问题发生在以下

行：GridView1.DataSource=service.Get（）
用户代码中未处理Soap异常

你能帮我解决这个问题吗

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace toleen
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack)
            {
                this.BindGrid();
            }


        }

        private void BindGrid()
        {
            CRUD_Service.Service1 service = new CRUD_Service.Service1();
            GridView1.DataSource = service.Get();
            GridView1.DataBind();

        }



        protected void Insert(object sender, EventArgs e)
        {
            CRUD_Service.Service1 service = new CRUD_Service.Service1();
            service.Insert(Convert.ToInt32(txtId.Text.Trim()), txtName.Text.Trim(), txtaddress.Text.Trim());
            this.BindGrid();
        }
    }
}