SQLiteDemo/Default.aspx.cs

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using System;
using System.Collections.Generic;
using System.Collections;
using System.Text;
using System.Data.SQLite;
using System.Data;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace SQLiteDemo
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BindOrder();
            }
        }

        /// <summary>
        /// 新增用户
        /// </summary>
        protected void btn_add_Click(object sender, EventArgs e)
        {
            if (txt_name.Text.Trim() != "" && txt_pwd.Text.Trim() != "")
            {
                if (!UserExists(txt_name.Text.Trim()))
                {
                    StringBuilder strSql = new StringBuilder();
                    strSql.Append("insert into Users(");
                    strSql.Append("UserName,Password,CreateTime)");
                    strSql.Append(" values (");
                    strSql.Append("@UserName,@Password,@CreateTime)");
                    SQLiteParameter[] parameters = {
                    SQLiteHelper.MakeSQLiteParameter("@UserName", DbType.String,128,txt_name.Text.Trim()),
                    SQLiteHelper.MakeSQLiteParameter("@Password", DbType.String,128,txt_pwd.Text.Trim()),
                    SQLiteHelper.MakeSQLiteParameter("@CreateTime", DbType.DateTime,DateTime.Now.ToString("s"))
                    };

                    if (SQLiteHelper.ExecuteSql(strSql.ToString(), parameters) >= 1)
                    {
                        BindOrder();
                        //lab_Error.Text = "User successfully added!";
                        lab_Error.Text = "用户新增成功.";
                    }
                    else
                    {
                        //lab_Error.Text = "User failed added!";
                        lab_Error.Text = "新增失败.";
                    }
                }
                else
                {
                    //lab_Error.Text = "Username Already exists. Please choose a different Username.";
                    lab_Error.Text = "用户名已经存在.";
                }
            }