mymutliinsertdata.aspx.cs

ASP C#代码实例 适合初学人士学习使用

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.Configuration;
using System.Data.SqlClient;

namespace Example_11_11
{
	/// <summary>
	/// Summary description for MyMutliInsertData.
	/// </summary>
	public class MyMutliInsertData : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button SureInsertBtn;
		protected System.Web.UI.WebControls.Label SucessMessage;
		protected System.Web.UI.WebControls.TextBox StaffName;
		protected System.Web.UI.WebControls.Button AddStaffBtn;
		protected System.Web.UI.WebControls.ListBox StaffList;
		public static string SQLCONNECTIONSTRING = ConfigurationSettings.AppSettings["SQLCONNECTIONSTRING"].ToString();

		private void Page_Load(object sender, System.EventArgs e)
		{
			//
		}

		private void InsertMutlilData(ArrayList sqlList)
		{
			///向数据库中插入数据
			SqlConnection myConnection = new SqlConnection(SQLCONNECTIONSTRING);
			SqlCommand myCommand = new SqlCommand("",myConnection);

			///执行数据库查询
			myConnection.Open();

			SqlTransaction myTran = myConnection.BeginTransaction();

			try
			{
				myCommand.Transaction = myTran;
				for(int i = 0; i < sqlList.Count; i++)
				{
					myCommand.CommandText = sqlList[i].ToString();
					myCommand.ExecuteNonQuery();
				}
				myTran.Commit();
			}
			catch
			{
				myTran.Rollback();
			}
			finally
			{		
				myConnection.Close();	
			}
		}

		private void InsertMutliDataByDS(ArrayList valueList)
		{
			DataTable dataTable = new DataTable();
			dataTable.Columns.Add(new DataColumn("Name",typeof(string)));

			///定义一个新数据行
//			DataRow dataRow = new DataRow();
//			dataRow["Name"] = "Name";
//			dataTable.Rows.Add(dataRow);

			for(int i = 0; i < valueList.Count; i++)
			{
				DataRow row = dataTable.NewRow();
				row["Name"] = valueList[i].ToString();
				dataTable.Rows.Add(row);
			}

			///向数据库中插入数据
			String cmdText = "INSERT INTO MyTable(Name)VALUES(@Name)";
			SqlConnection myConnection = new SqlConnection(SQLCONNECTIONSTRING);
			SqlCommand myCommand = new SqlCommand(cmdText,myConnection);

			SqlDataAdapter da = new SqlDataAdapter();

			SqlParameter paramName = new SqlParameter("@Name",SqlDbType.VarChar);
			myCommand.Parameters.Add(paramName);

			///执行数据库查询
			myConnection.Open();
			myCommand.Parameters["@Name"].SourceColumn = dataTable.Columns["Name"].ColumnName;
			da.Update(dataTable);
			myConnection.Close();			
		}


		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//

			InitializeComponent();

			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.AddStaffBtn.Click += new System.EventHandler(this.AddStaffBtn_Click);
			this.SureInsertBtn.Click += new System.EventHandler(this.SureInsertBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void SureInsertBtn_Click(object sender, System.EventArgs e)
		{
			ArrayList sqlList = new ArrayList();
			for(int i = 0; i < StaffList.Items.Count; i++)
			{
				String subSQL = "INSERT INTO MyTable(Name)VALUES('" + StaffList.Items[i].Text + "')";
				sqlList.Add(subSQL);
			}
			
			///使用事务进行批量插入数据
			InsertMutlilData(sqlList);

			ArrayList valueList = new ArrayList();
			for(int i = 0; i < StaffList.Items.Count; i++)
			{				
				sqlList.Add(StaffList.Items[i].Text);
			}

			///使用DataSet进行批量插入数据
			InsertMutliDataByDS(valueList);
		}

		private void AddStaffBtn_Click(object sender, System.EventArgs e)
		{
			if(StaffName.Text.Trim().Length > 0)
			{
				StaffList.Items.Add(new ListItem(StaffName.Text));	
			}
		}
	}
}