C# SQLite Windows Mobile 开发：创建数据库和表(转载别人)

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Data.SqlClient;

using System.Data.SqlServerCe;

using System.Net;

using System.IO;

namespace WinAppGrid

{

     public partial class Form1 : Form

     {

         public Form1()

         {

             InitializeComponent();

         }

         //创建数据库的表

         private Boolean CreateTable()

         {

             try

             {

                 SqlCeConnection myconn = new SqlCeConnection("DataSource=mysdf.sdf");

                 SqlCeCommand com = new SqlCeCommand("create table PC (PCNO NVarChar(10) primary key,XH NVarChar(10) NOT NULL,WERKS NVarChar(4) NOT NULL,PC_DATE NVarChar(10))");

                 myconn.Open();

                 com.Connection = myconn;

                 com.ExecuteNonQuery();

                 myconn.Close();

                 MessageBox.Show("创建数据库成功！");

                 return true;

             }

             catch (Exception ex)

             {

                 MessageBox.Show("创建数据库失败" + ex.ToString().Substring(1, 60));

                 return false;

             }

        

        

        

         }

         private void button1_Click(object sender, EventArgs e)

         {

           //创建数据库

             try

             {

                 if ( File.Exists("mysdf.sdf"))

                 {

                     MessageBox.Show("数据库已经存在");

                

                 }

                 else

                 {

                     SqlCeEngine eng = new SqlCeEngine("DataSource=mysdf.sdf");

                     eng.CreateDatabase();

                     eng.Dispose();

                     MessageBox.Show("创建数据库成功");

                

　　　　             

                 }

                 Boolean rtu;

                 rtu = CreateTable();

                 if (rtu = false)

                 {

                     MessageBox.Show("数据表已经存在！");

                 }

                 else

                 {

                     MessageBox.Show("创建数据表成功！");

                

                

                 }

                

             }

             catch(Exception ex)

             {

                 MessageBox.Show("创建数据库失败"+ ex.ToString().Substring(1,60));

            

             }

　　　  

         }

         

     }

}