在Sql server中存取word文件!
/*如何把word存入sqlserver数据库,并且读取的时候还是用word读取.
建立table
create table myimages(sno int,imgfield image);
建立c#工程,添加引用(reference->add->brower->office安装文件夹->office11->msword.ole,然后什么都不用问了,等待...,然后拷贝下代码,具体功能见注释*/
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 writeFile
{
///
/// Summary description for Form1.
///
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
///
/// Required designer variable.
///
private System.ComponentModel.Container components = null;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
///
/// Clean up any resources being used.
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
///
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///
private void InitializeComponent()
{
this.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(576, 320);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(112, 23);
this.button1.TabIndex = 0;
this.button1.Text = "saveFiletoDb";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(0, 0);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(568, 424);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "textBox1";
//
// button2
//
this.button2.Location = new System.Drawing.Point(600, 104);
this.button2.Name = "button2";
this.button2.TabIndex = 2;
this.button2.Text = "readWord";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(568, 184);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(112, 23);
this.button3.TabIndex = 3;
this.button3.Text = "readFromDb";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(712, 429);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
}
#endregion
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e)//把word存入sqlserver
{
DbMana dm=new DbMana();
SqlConnection con=dm.GetCon();//另外的类,返回sqlserver连接,用的时候要自己建立连接
SqlDataAdapter comm=new SqlDataAdapter("select * from MyImages",con);
SqlCommandBuilder scb=new SqlCommandBuilder(comm);//只有这样才能保证dataadapter可以update
DataSet ds=new DataSet("MyImages");
comm.Fill(ds,"MyImages");
comm.MissingSchemaAction=MissingSchemaAction.AddWithKey;
DataRow newRow;
newRow=ds.Tables[0].NewRow();
FileStream fs=new FileStream(@"E:/club.doc",FileMode.Open,FileAccess.Read);
byte[] data=new byte[fs.Length];
fs.Read(data,0,Convert.ToInt32(fs.Length));//文件读到byte[]
fs.Close();
comm.Fill(ds,"MyImages");
newRow["id"]=3;
newRow["description"]="this is a file";
newRow["imgField"]=data;//insert the binary stream
ds.Tables["MyImages"].Rows.Add(newRow);
comm.Update(ds,"MyImages");//update,then the table is update
con.Close();
/*try
{
con.Open();
ds.Tables[0].Rows[0]["content"]=data;
}
catch(Exception ex)
{
this.textBox1.Text=ex.ToString();
}
finally
{
fs.Close();
con.Close();
}*/
}
private void Form1_Load(object sender, System.EventArgs e)
{
}
private void button2_Click(object sender, System.EventArgs e)//read the word file
{
object nothing=System.Reflection.Missing.Value;
object filename=@"E:/club.doc";
Word.ApplicationClass ap=new Word.ApplicationClass();
Word.Document doc=ap.Documents.Open(ref filename,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing,ref nothing);
ap.Visible=true;
}
private void button3_Click(object sender, System.EventArgs e)//read from table,and临时存放,便于读取然后可以删掉
{
DbMana dm=new DbMana();
SqlConnection con=dm.GetCon();
//SqlCommand com=new SqlCommand("select imgfield from myimages",con);
DataSet ds=new DataSet();
SqlDataAdapter comm=new SqlDataAdapter("select imgfield from myimages",con);
SqlCommandBuilder scb=new SqlCommandBuilder(comm);
byte[] data=new byte[0];
comm.Fill(ds,"myimages");
DataRow newRow;
newRow=ds.Tables["myimages"].Rows[3];
data=(byte[])newRow["imgField"];
int arraysize=new int();//注意这句话
arraysize=data.GetUpperBound(0);
FileStream fs=new FileStream(@"e:/test.doc",FileMode.OpenOrCreate,FileAccess.Write);
try
{
fs.Write(data,0,arraysize);
}
catch(Exception ex)
{
this.textBox1.Text=ex.ToString();
}
finally
{
con.Close();
fs.Close();
}
}
}
}