dataform1.cs

从数据库导入文件到EXCEL 从EXCEL导入到数据库表 速度快

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
using System.IO;

namespace WindowsApplication14
{
	/// <summary>
	/// DataForm1 的摘要说明。
	/// </summary>
	public class DataForm1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.ComboBox comboBox1;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.SaveFileDialog saveFileDialog2;
		public System.Windows.Forms.Label label1;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.ServiceProcess.ServiceController serviceController1;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private System.Data.SqlClient.SqlCommand sqlCommand1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Button daorudatabas;
		private System.Windows.Forms.Button daoruEXCEL;
		private System.Windows.Forms.Button jiazai;
		private System.Windows.Forms.RichTextBox richTextBox1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.ComboBox comboBox2;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.Label label7;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.GroupBox groupBox2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public DataForm1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <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()
		{
			System.Configuration.AppSettingsReader configurationAppSettings = new System.Configuration.AppSettingsReader();
			this.button1 = new System.Windows.Forms.Button();
			this.comboBox1 = new System.Windows.Forms.ComboBox();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.daorudatabas = new System.Windows.Forms.Button();
			this.saveFileDialog2 = new System.Windows.Forms.SaveFileDialog();
			this.label1 = new System.Windows.Forms.Label();
			this.daoruEXCEL = new System.Windows.Forms.Button();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.jiazai = new System.Windows.Forms.Button();
			this.serviceController1 = new System.ServiceProcess.ServiceController();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlCommand1 = new System.Data.SqlClient.SqlCommand();
			this.label2 = new System.Windows.Forms.Label();
			this.richTextBox1 = new System.Windows.Forms.RichTextBox();
			this.button2 = new System.Windows.Forms.Button();
			this.label3 = new System.Windows.Forms.Label();
			this.button3 = new System.Windows.Forms.Button();
			this.comboBox2 = new System.Windows.Forms.ComboBox();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.label7 = new System.Windows.Forms.Label();
			this.button4 = new System.Windows.Forms.Button();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.groupBox2.SuspendLayout();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(840, 88);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(112, 24);
			this.button1.TabIndex = 4;
			this.button1.Text = "使用说明";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// comboBox1
			// 
			this.comboBox1.Location = new System.Drawing.Point(136, 88);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(121, 21);
			this.comboBox1.TabIndex = 5;
			this.comboBox1.ValueMember = ((string)(configurationAppSettings.GetValue("comboBox1.ValueMember", typeof(string))));
			this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
			// 
			// daorudatabas
			// 
			this.daorudatabas.Location = new System.Drawing.Point(592, 88);
			this.daorudatabas.Name = "daorudatabas";
			this.daorudatabas.Size = new System.Drawing.Size(112, 23);
			this.daorudatabas.TabIndex = 6;
			this.daorudatabas.Text = "从磁盘导入数库";
			this.daorudatabas.Click += new System.EventHandler(this.button2_Click);
			// 
			// saveFileDialog2
			// 
			this.saveFileDialog2.Filter = "EXCEL(*.xls)|*.xls|(文本文件)|*.txt";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(112, 40);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(456, 24);
			this.label1.TabIndex = 7;
			this.label1.Click += new System.EventHandler(this.label1_Click);
			// 
			// daoruEXCEL
			// 
			this.daoruEXCEL.Location = new System.Drawing.Point(440, 88);
			this.daoruEXCEL.Name = "daoruEXCEL";
			this.daoruEXCEL.Size = new System.Drawing.Size(120, 24);
			this.daoruEXCEL.TabIndex = 9;
			this.daoruEXCEL.Text = "导入到磁盘文件";
			this.daoruEXCEL.Click += new System.EventHandler(this.button3_Click);
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(8, 152);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.ReadOnly = true;
			this.dataGrid1.Size = new System.Drawing.Size(952, 400);
			this.dataGrid1.TabIndex = 10;
			this.dataGrid1.Navigate += new System.Windows.Forms.NavigateEventHandler(this.dataGrid1_Navigate);
			// 
			// jiazai
			// 
			this.jiazai.Location = new System.Drawing.Point(288, 88);
			this.jiazai.Name = "jiazai";
			this.jiazai.Size = new System.Drawing.Size(120, 24);
			this.jiazai.TabIndex = 11;
			this.jiazai.Text = "查询数据";
			this.jiazai.Click += new System.EventHandler(this.button4_Click);
			// 
			// serviceController1
			// 
			this.serviceController1.MachineName = ((string)(configurationAppSettings.GetValue("serviceController1.MachineName", typeof(string))));
			this.serviceController1.ServiceName = ((string)(configurationAppSettings.GetValue("serviceController1.ServiceName", typeof(string))));
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=\"TEAMONEI-2CV21I\";packet size=4096;user id=sa;data source=\"TEAMONE" +
				"I-2CV21I\";persist security info=False;initial catalog=tianwei";
			// 
			// sqlCommand1
			// 
			this.sqlCommand1.CommandText = ((string)(configurationAppSettings.GetValue("sqlCommand1.CommandText", typeof(string))));
			this.sqlCommand1.Connection = this.sqlConnection1;
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 616);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(104, 24);
			this.label2.TabIndex = 13;
			this.label2.Text = "SQL语言执行脚本";
			// 
			// richTextBox1
			// 
			this.richTextBox1.Location = new System.Drawing.Point(144, 608);
			this.richTextBox1.Name = "richTextBox1";
			this.richTextBox1.Size = new System.Drawing.Size(560, 40);
			this.richTextBox1.TabIndex = 14;
			this.richTextBox1.Text = "";
			this.richTextBox1.TextChanged += new System.EventHandler(this.richTextBox1_TextChanged);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(752, 616);
			this.button2.Name = "button2";
			this.button2.TabIndex = 15;
			this.button2.Text = "执行";
			this.button2.Click += new System.EventHandler(this.button2_Click_1);
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 88);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(120, 16);
			this.label3.TabIndex = 16;
			this.label3.Text = "加载数据库表：";
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(736, 88);
			this.button3.Name = "button3";
			this.button3.TabIndex = 17;
			this.button3.Text = "退出(&X)";
			this.button3.Click += new System.EventHandler(this.button3_Click_1);
			// 
			// comboBox2
			// 
			this.comboBox2.Location = new System.Drawing.Point(352, 24);
			this.comboBox2.Name = "comboBox2";
			this.comboBox2.Size = new System.Drawing.Size(121, 21);
			this.comboBox2.TabIndex = 18;
			this.comboBox2.SelectedIndexChanged += new System.EventHandler(this.comboBox2_SelectedIndexChanged);
			this.comboBox2.DataSourceChanged += new System.EventHandler(this.comboBox2_DataSourceChanged);
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(136, 24);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(120, 20);
			this.textBox1.TabIndex = 19;
			this.textBox1.Text = "";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(592, 16);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(96, 20);
			this.textBox2.TabIndex = 20;
			this.textBox2.Text = "";
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(792, 16);
			this.textBox3.Name = "textBox3";
			this.textBox3.PasswordChar = '*';
			this.textBox3.Size = new System.Drawing.Size(120, 20);
			this.textBox3.TabIndex = 21;
			this.textBox3.Text = "";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(8, 24);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(120, 24);
			this.label4.TabIndex = 22;
			this.label4.Text = "输入服务器名：";
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(280, 16);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(72, 24);
			this.label5.TabIndex = 23;
			this.label5.Text = "数据库：";
			// 
			// label6
			// 
			this.label6.Location = new System.Drawing.Point(496, 16);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(88, 24);
			this.label6.TabIndex = 24;
			this.label6.Text = "数据库用户：";
			// 
			// label7
			// 
			this.label7.Location = new System.Drawing.Point(728, 16);
			this.label7.Name = "label7";
			this.label7.Size = new System.Drawing.Size(88, 24);
			this.label7.TabIndex = 25;
			this.label7.Text = "数据库密码：";
			// 
			// button4
			// 
			this.button4.Location = new System.Drawing.Point(592, 40);
			this.button4.Name = "button4";
			this.button4.Size = new System.Drawing.Size(120, 24);
			this.button4.TabIndex = 26;
			this.button4.Text = "连接数据库";
			this.button4.Click += new System.EventHandler(this.button4_Click_1);
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.textBox2);
			this.groupBox2.Controls.Add(this.label6);
			this.groupBox2.Controls.Add(this.label5);
			this.groupBox2.Controls.Add(this.textBox3);
			this.groupBox2.Controls.Add(this.label7);
			this.groupBox2.Controls.Add(this.button4);
			this.groupBox2.Controls.Add(this.label1);
			this.groupBox2.Location = new System.Drawing.Point(0, 8);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(928, 72);
			this.groupBox2.TabIndex = 37;
			this.groupBox2.TabStop = false;
			this.groupBox2.Text = "服务器连接设置";
			// 
			// DataForm1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(968, 661);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.comboBox2);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.richTextBox1);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.jiazai);
			this.Controls.Add(this.dataGrid1);
			this.Controls.Add(this.daoruEXCEL);
			this.Controls.Add(this.comboBox1);
			this.Controls.Add(this.groupBox2);
			this.Controls.Add(this.daorudatabas);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.button3);
			this.Name = "DataForm1";
			this.Text = "DataForm1";
			this.Load += new System.EventHandler(this.DataForm1_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.groupBox2.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion
		public string connstr1;
		
		/*	

				public string dataconn()
				{
					Form1 frm=new Form1();
			
			
					 connstr1="server="+frm.str1+";Integrated Security=SSPI;database="+frm.str2+"";
			
			
				}

		*/
		public void LoadDataSet()
		{
			try
			{  
				string str1="select *  from "+comboBox1.Text+"";
				label1.Text="如果不输入数据！则默认连接为[.].[master]数据库账号SA，密码为空！";
				
				// connstr1="server=teamonei-2cv21i;Integrated Security=SSPI;database=tianwei";
				SqlConnection conn=new SqlConnection();
				conn.ConnectionString="data source="+textBox1.Text+";initial catalog="+comboBox2.Text+";password="+textBox3.Text+" ;user id="+textBox2.Text+"";
				
				//conn.ConnectionString=connstr1;
			
				//"data source='.';initial catalog=tianwei;password='';user id=sa ;";
				//SqlDataReader reader=null;
				//conn=GetConnection();
				conn.Open();
		
				SqlCommand comm=new SqlCommand();
				comm.Connection=conn;
				comm.CommandText=str1;
				//dataGrid1.DataSource=Dataset.
				//reader=comm.ExecuteReader();
				//conn.Close();
				DataSet dataset=new DataSet ();
				//string sql1="select * from tabtfd where 姓名='"+this.t b .Text +"'";
				SqlDataAdapter a1=new SqlDataAdapter (str1,conn);