form3.cs

本科生面试崔健研究生的软件评选系统

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

namespace recommendation
{
	/// <summary>
	/// Form3 的摘要说明。
	/// </summary>
	public class Form3 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Data.OleDb.OleDbDataAdapter oleDbDataAdapter1;
		//private jxj2.DataSet1 dataSet11;
		private System.Windows.Forms.Button button1;
		private System.Data.OleDb.OleDbConnection oleDbConnection1;
		private System.Data.OleDb.OleDbCommand oleDbSelectCommand1;
		private System.Data.OleDb.OleDbCommand oleDbInsertCommand1;
		private System.Data.OleDb.OleDbCommand oleDbUpdateCommand1;
		private System.Data.OleDb.OleDbCommand oleDbDeleteCommand1;
		//private jxj2.DataSet1 dataSet12;
		private recommendation.DataSet1 dataSet11;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form3()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
            this.oleDbDataAdapter1.Fill(this.dataSet11);
			this.dataGrid1.DataSource=this.dataSet11.Tables[0];
			//
			// 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()
		{
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter();
			this.oleDbDeleteCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
			this.oleDbInsertCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbUpdateCommand1 = new System.Data.OleDb.OleDbCommand();
			this.button1 = new System.Windows.Forms.Button();
			this.dataSet11 = new recommendation.DataSet1();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
			this.SuspendLayout();
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 8);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.Size = new System.Drawing.Size(440, 272);
			this.dataGrid1.TabIndex = 0;
			this.dataGrid1.Navigate += new System.Windows.Forms.NavigateEventHandler(this.dataGrid1_Navigate);
			// 
			// oleDbDataAdapter1
			// 
			this.oleDbDataAdapter1.DeleteCommand = this.oleDbDeleteCommand1;
			this.oleDbDataAdapter1.InsertCommand = this.oleDbInsertCommand1;
			this.oleDbDataAdapter1.SelectCommand = this.oleDbSelectCommand1;
			this.oleDbDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																										new System.Data.Common.DataTableMapping("Table", "num", new System.Data.Common.DataColumnMapping[] {
																																																			   new System.Data.Common.DataColumnMapping("学号", "学号"),
																																																			   new System.Data.Common.DataColumnMapping("项编号", "项编号"),
																																																			   new System.Data.Common.DataColumnMapping("项名称", "项名称"),
																																																			   new System.Data.Common.DataColumnMapping("数目", "数目")})});
			this.oleDbDataAdapter1.UpdateCommand = this.oleDbUpdateCommand1;
			// 
			// oleDbDeleteCommand1
			// 
			this.oleDbDeleteCommand1.CommandText = "DELETE FROM num WHERE (actionid = ?) AND (studentid = ?) AND (actionname = ? OR ?" +
				" IS NULL AND actionname IS NULL) AND (num = ? OR ? IS NULL AND num IS NULL)";
			this.oleDbDeleteCommand1.Connection = this.oleDbConnection1;
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_actionid", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "项编号", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_studentid", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "学号", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_actionname", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "项名称", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_actionname1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "项名称", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_num", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "数目", System.Data.DataRowVersion.Original, null));
			this.oleDbDeleteCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_num1", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "数目", System.Data.DataRowVersion.Original, null));
			// 
			// oleDbConnection1
			// 
			this.oleDbConnection1.ConnectionString = @"Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Registry Path=;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Database Password=;Data Source=""E:\vc\Ma\recommendation.mdb"";Password=;Jet OLEDB:Engine Type=5;Jet OLEDB:Global Bulk Transactions=1;Provider=""Microsoft.Jet.OLEDB.4.0"";Jet OLEDB:System database=;Jet OLEDB:SFP=False;Extended Properties=;Mode=Share Deny None;Jet OLEDB:New Database Password=;Jet OLEDB:Create System Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;User ID=Admin;Jet OLEDB:Encrypt Database=False";
			// 
			// oleDbInsertCommand1
			// 
			this.oleDbInsertCommand1.CommandText = "INSERT INTO num(studentid, actionid, actionname, num) VALUES (?, ?, ?, ?)";
			this.oleDbInsertCommand1.Connection = this.oleDbConnection1;
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("studentid", System.Data.OleDb.OleDbType.VarWChar, 50, "学号"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("actionid", System.Data.OleDb.OleDbType.VarWChar, 50, "项编号"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("actionname", System.Data.OleDb.OleDbType.VarWChar, 50, "项名称"));
			this.oleDbInsertCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("num", System.Data.OleDb.OleDbType.Integer, 0, "数目"));
			// 
			// oleDbSelectCommand1
			// 
			this.oleDbSelectCommand1.CommandText = "SELECT studentid AS 学号, actionid AS 项编号, actionname AS 项名称, num AS 数目 FROM num OR" +
				"DER BY studentid";
			this.oleDbSelectCommand1.Connection = this.oleDbConnection1;
			// 
			// oleDbUpdateCommand1
			// 
			this.oleDbUpdateCommand1.CommandText = "UPDATE num SET studentid = ?, actionid = ?, actionname = ?, num = ? WHERE (action" +
				"id = ?) AND (studentid = ?) AND (actionname = ? OR ? IS NULL AND actionname IS N" +
				"ULL) AND (num = ? OR ? IS NULL AND num IS NULL)";
			this.oleDbUpdateCommand1.Connection = this.oleDbConnection1;
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("studentid", System.Data.OleDb.OleDbType.VarWChar, 50, "学号"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("actionid", System.Data.OleDb.OleDbType.VarWChar, 50, "项编号"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("actionname", System.Data.OleDb.OleDbType.VarWChar, 50, "项名称"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("num", System.Data.OleDb.OleDbType.Integer, 0, "数目"));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_actionid", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "项编号", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_studentid", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "学号", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_actionname", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "项名称", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_actionname1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "项名称", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_num", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "数目", System.Data.DataRowVersion.Original, null));
			this.oleDbUpdateCommand1.Parameters.Add(new System.Data.OleDb.OleDbParameter("Original_num1", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "数目", System.Data.DataRowVersion.Original, null));
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(8, 296);
			this.button1.Name = "button1";
			this.button1.TabIndex = 1;
			this.button1.Text = "更新";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// dataSet11
			// 
			this.dataSet11.DataSetName = "DataSet1";
			this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
			// 
			// Form3
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(440, 325);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.dataGrid1);
			this.Name = "Form3";
			this.Text = "Form3";
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(this.dataSet11.HasChanges()==true)
			{
				DataSet change2=this.dataSet11.GetChanges();
				this.dataSet11.AcceptChanges();
				this.oleDbDataAdapter1.Update(change2);
				this.dataGrid1.Refresh();
			}
		}

		private void dataGrid1_Navigate(object sender, System.Windows.Forms.NavigateEventArgs ne)
		{
		
		}
	}
}