photo.cs

这是一个关于用C#从数据库中加载图片和读取图片的小应用程序

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

using System.IO;

namespace photo
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		image_query img_query;

		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.OpenFileDialog FileOpenDlg;
		
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
        private Model model=new Model();
        
		public Form1()
		{
			
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
			img_query = new image_query();

			if (img_query.get_row()) 
			{
				this.textBox1.Text = img_query.get_filename();
				this.pictureBox1.Image = img_query.get_image();
			} 
			else 
			{
				this.textBox1.Text = "DONE";
				this.pictureBox1.Image = null;
			}
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			img_query.end_query();

			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.FileOpenDlg = new System.Windows.Forms.OpenFileDialog();
			this.SuspendLayout();
			// 
			// textBox1
			// 
			this.textBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.textBox1.Location = new System.Drawing.Point(8, 224);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(160, 21);
			this.textBox1.TabIndex = 0;
			this.textBox1.Text = "";
			// 
			// pictureBox1
			// 
			this.pictureBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.pictureBox1.BackColor = System.Drawing.SystemColors.Desktop;
			this.pictureBox1.Location = new System.Drawing.Point(16, 24);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(152, 176);
			this.pictureBox1.TabIndex = 1;
			this.pictureBox1.TabStop = false;
			// 
			// button1
			// 
			this.button1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
			this.button1.Location = new System.Drawing.Point(184, 80);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(72, 28);
			this.button1.TabIndex = 2;
			this.button1.Text = "下一张";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
			this.button2.Location = new System.Drawing.Point(184, 144);
			this.button2.Name = "button2";
			this.button2.TabIndex = 3;
			this.button2.Text = "载入图片";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(280, 270);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.pictureBox1);
			this.Controls.Add(this.textBox1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if (img_query.get_row()) 
			{
				this.textBox1.Text = img_query.get_filename();
				this.pictureBox1.Image = img_query.get_image();
			} 
			else 
			{
				this.textBox1.Text = "DONE";
				this.pictureBox1.Image = null;
			}

		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			if( DialogResult.OK == FileOpenDlg.ShowDialog() )
			{
				//在打开的选择框中选择照片——可以是多选
				foreach( string file in FileOpenDlg.FileNames )
				{
					//通知模型对数据库进行操作
					//像数据库中插入一条记录
					model.addphoto2(file);
					//打开当前添加的dfsgdf照片mm
					//model.select(newid);
				}
			}
		}
	}
}