bookguanli.aspx.cs

本系统为数据库课程设计

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace mybook
{
	/// <summary>
	/// bookguanli 的摘要说明。
	/// </summary>
	public class bookguanli : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Button Button3;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.TextBox TextBox3;
		protected System.Web.UI.WebControls.TextBox TextBox4;
		protected System.Web.UI.WebControls.TextBox TextBox5;
		protected System.Web.UI.WebControls.TextBox TextBox6;
		protected System.Web.UI.WebControls.TextBox TextBox7;
		protected System.Web.UI.WebControls.TextBox TextBox8;
		protected System.Web.UI.WebControls.TextBox TextBox9;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.Label Label6;
		protected System.Web.UI.WebControls.Label Label7;
		protected System.Web.UI.WebControls.Label Label8;
		protected System.Web.UI.WebControls.Label Label9;
		protected System.Web.UI.WebControls.Label Label10;
		protected System.Web.UI.WebControls.Label Label11;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			string strConn="server=.;uid=sa;pwd=sa;database=mybook";
			SqlConnection myConnection=new SqlConnection();
			myConnection.ConnectionString=strConn;

			string strCommand="select * from tushu";
			SqlDataAdapter  da=new SqlDataAdapter(strCommand,myConnection);
			DataSet ds=new DataSet();
			da.Fill(ds,"scores");
			DataGrid1.DataSource=ds.Tables["scores"].DefaultView;
			DataGrid1.DataBind();
			myConnection.Close();// 在此处放置用户代码以初始化页面
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Button3.Click += new System.EventHandler(this.Button3_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button3_Click(object sender, System.EventArgs e)
		{
			if (insertBook())
			{
				SqlConnection conn = new SqlConnection("server=.;uid=sa;pwd=sa;database=mybook");
				conn.Open();

				SqlDataAdapter sda=new SqlDataAdapter();
				sda.SelectCommand = new SqlCommand("select * from tushu", conn);
				DataSet ds=new DataSet();
				sda.Fill(ds,"addnew");

				DataGrid1.DataSource=ds.Tables["addnew"];
				DataGrid1.DataBind();
			}
		}

		private bool insertBook()
		{
			try
			{
				SqlConnection myConnection=new SqlConnection("server=.;uid=sa;pwd=sa;database=mybook");
				myConnection.Open();

				SqlCommand cmd = new SqlCommand("insert into tushu values(@tushuno, @tushuname, @leibie, @zuozhe, @chubanshe, @ceshu, @cunfang, @rukuriqi, @jianjie)", myConnection);

				SqlParameter para = new SqlParameter("@tushuno", SqlDbType.Char, 6);
				para.Value = TextBox1.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@tushuname", SqlDbType.Char, 10);
				para.Value = TextBox2.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@leibie", SqlDbType.Char, 10);
				para.Value = TextBox3.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@zuozhe", SqlDbType.Char, 10);
				para.Value = TextBox4.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@chubanshe", SqlDbType.Char, 10);
				para.Value = TextBox5.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@ceshu", SqlDbType.Char, 10);
				para.Value = TextBox6.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@cunfang", SqlDbType.Char, 10);
				para.Value = TextBox7.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@rukuriqi", SqlDbType.Char, 10);
				para.Value = TextBox8.Text;
				cmd.Parameters.Add(para);

				para = new SqlParameter("@jianjie", SqlDbType.Char, 10);
				para.Value = TextBox9.Text;
				cmd.Parameters.Add(para);

				cmd.ExecuteNonQuery();
				return true;
			}
			catch(Exception e) 
			{
				return false;
			}
		}
	}
}