ASP.NET中上传文件到数据库

CREATE TABLE tblBooksUpload

(

DocID int NOT NULL IDENTITY Primary Key ,

DocTitle varchar (200) ,

Doc image,

DocType varchar (50) ,

Entrydate datetime Default GetDate()

)

************************************

CREATE PROCEDURE uSP_BooksUploadFile

@Title varchar(200),

@Doc image,

@DocType varchar(4)

AS

INSERT tblBooksUpload(DocTitle,Doc,DocType)

VALUES (@Title,@Doc,@DocType)

GO

*********************************

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.IO;

using System.Data.SqlClient;

namespace WebApplication200501

{

/// <summary>

/// WebForm3_Ftp 的摘要说明。

/// </summary>

public class WebForm3_Ftp : System.Web.UI.Page

{

protected System.Web.UI.HtmlControls.HtmlInputFile ftpfiles;

protected System.Web.UI.WebControls.Label LabelStat;

protected System.Web.UI.WebControls.TextBox TextBoxFileName;

protected System.Web.UI.WebControls.Label Label1;

protected System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;

protected System.Data.SqlClient.SqlConnection sqlConnection1;

protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;

protected System.Data.SqlClient.SqlCommand sqlInsertCommand1;

protected System.Data.SqlClient.SqlCommand sqlUpdateCommand1;

protected System.Data.SqlClient.SqlCommand sqlDeleteCommand1;

protected System.Web.UI.WebControls.Button Button1;

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

{

// 在此处放置用户代码以初始化页面

}

#region Web 窗体设计器生成的代码

override protected void OnInit(EventArgs e)

{

//

// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。

//

InitializeComponent();

base.OnInit(e);

}

/// <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.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();

this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();

this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();

this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();

this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();

this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();

this.Button1.Click += new System.EventHandler(this.Button1_Click);

//

// sqlDataAdapter1

//

this.sqlDataAdapter1.DeleteCommand = this.sqlDeleteCommand1;

this.sqlDataAdapter1.InsertCommand = this.sqlInsertCommand1;

this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;

this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {

new System.Data.Common.DataTableMapping("Table", "tblBooksUpload", new System.Data.Common.DataColumnMapping[] {

new System.Data.Common.DataColumnMapping("DocID", "DocID"),

new System.Data.Common.DataColumnMapping("DocTitle", "DocTitle"),

new System.Data.Common.DataColumnMapping("Doc", "Doc"),

new System.Data.Common.DataColumnMapping("DocType", "DocType"),

new System.Data.Common.DataColumnMapping("Entrydate", "Entrydate")})});

this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;

//

// sqlConnection1

//

this.sqlConnection1.ConnectionString = "workstation id=\"DAYANG-C\";packet size=4096;integrated security=SSPI;data source=\"" +

"DAYANG-C\";persist security info=False;initial catalog=MyDb";

//

// sqlSelectCommand1

//

this.sqlSelectCommand1.CommandText = "[NewSelectCommand]";

this.sqlSelectCommand1.CommandType = System.Data.CommandType.StoredProcedure;

this.sqlSelectCommand1.Connection = this.sqlConnection1;

this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@RETURN_VALUE", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.ReturnValue, false, ((System.Byte)(0)), ((System.Byte)(0)), "", System.Data.DataRowVersion.Current, null));

//

// sqlInsertCommand1

//

this.sqlInsertCommand1.CommandText = "[NewInsertCommand]";

this.sqlInsertCommand1.CommandType = System.Data.CommandType.StoredProcedure;

this.sqlInsertCommand1.Connection = this.sqlConnection1;

this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@RETURN_VALUE", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.ReturnValue, false, ((System.Byte)(0)), ((System.Byte)(0)), "", System.Data.DataRowVersion.Current, null));

this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@DocTitle", System.Data.SqlDbType.VarChar, 200, "DocTitle"));

this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Doc", System.Data.SqlDbType.VarBinary, 2147483647, "Doc"));

this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@DocType", System.Data.SqlDbType.VarChar, 50, "DocType"));

this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Entrydate", System.Data.SqlDbType.DateTime, 8, "Entrydate"));

//

// sqlUpdateCommand1

//

this.sqlUpdateCommand1.CommandText = "[NewUpdateCommand]";

this.sqlUpdateCommand1.CommandType = System.Data.CommandType.StoredProcedure;

this.sqlUpdateCommand1.Connection = this.sqlConnection1;

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@RETURN_VALUE", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.ReturnValue, false, ((System.Byte)(0)), ((System.Byte)(0)), "", System.Data.DataRowVersion.Current, null));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@DocTitle", System.Data.SqlDbType.VarChar, 200, "DocTitle"));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Doc", System.Data.SqlDbType.VarBinary, 2147483647, "Doc"));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@DocType", System.Data.SqlDbType.VarChar, 50, "DocType"));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Entrydate", System.Data.SqlDbType.DateTime, 8, "Entrydate"));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocID", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocID", System.Data.DataRowVersion.Original, null));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocTitle", System.Data.SqlDbType.VarChar, 200, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocTitle", System.Data.DataRowVersion.Original, null));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocType", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocType", System.Data.DataRowVersion.Original, null));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Entrydate", System.Data.SqlDbType.DateTime, 8, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Entrydate", System.Data.DataRowVersion.Original, null));

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@DocID", System.Data.SqlDbType.Int, 4, "DocID"));

//

// sqlDeleteCommand1

//

this.sqlDeleteCommand1.CommandText = "[NewDeleteCommand]";

this.sqlDeleteCommand1.CommandType = System.Data.CommandType.StoredProcedure;

this.sqlDeleteCommand1.Connection = this.sqlConnection1;

this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@RETURN_VALUE", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.ReturnValue, false, ((System.Byte)(0)), ((System.Byte)(0)), "", System.Data.DataRowVersion.Current, null));

this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocID", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocID", System.Data.DataRowVersion.Original, null));

this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocTitle", System.Data.SqlDbType.VarChar, 200, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocTitle", System.Data.DataRowVersion.Original, null));

this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_DocType", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "DocType", System.Data.DataRowVersion.Original, null));

this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Entrydate", System.Data.SqlDbType.DateTime, 8, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Entrydate", System.Data.DataRowVersion.Original, null));

this.Load += new System.EventHandler(this.Page_Load);

}

#endregion

private void Button1_Click(object sender, System.EventArgs e)

{

//if(ftpfiles.PostedFile!=null)

//{

// try

// {

// ftpfiles.PostedFile.SaveAs("c:\\"+TextBoxFileName.Text);

// LabelStat.Text="上传文件成功！";

// }

// catch(Exception exc)

// {

// LabelStat.Text="上传过程中出错！"+exc.ToString();

// }

//}

string s;

string strDocExt;

//strDocType用于保存上传文件的类型

string strDocType;

//用于保存文件大小

int intDocLen;

//Stream用于读取上传数据

Stream objStream;

SqlConnection BooksConn;

SqlCommand cmdUploadDoc;

if(IsValid)

{

if(ftpfiles.PostedFile != null)

{

//文件类型

strDocExt = ftpfiles.PostedFile.FileName.ToLower();

switch(strDocExt)

{

case ".doc":

strDocType = "doc";

break;

case ".ppt":

strDocType = "ppt";

break;

case ".htm":

strDocType = "htm";

break;

case ".html":

strDocType = "htm";

break;

case ".jpg":

strDocType = "jpg";

break;

case ".gif":

strDocType = "gif";

break;

default:

strDocType = "txt";

break;

}

//上传文件具体内容

intDocLen = ftpfiles.PostedFile.ContentLength;

byte[] Docbuffer = new byte[intDocLen];

objStream = ftpfiles.PostedFile.InputStream;

//文件保存到缓存

//缓存将保存到数据库

objStream.Read(Docbuffer ,0,intDocLen);

BooksConn = new

SqlConnection("Server =dayang-c;Integrated Security=SSPI;Database=mydb");

cmdUploadDoc = new

SqlCommand("uSP_BooksUploadFile",BooksConn);

cmdUploadDoc.CommandType = CommandType.StoredProcedure;

cmdUploadDoc.Parameters.Add("@Title ",SqlDbType.VarChar,200);

cmdUploadDoc.Parameters.Add("@Doc",SqlDbType.Image);

cmdUploadDoc.Parameters.Add("@DocType",SqlDbType.VarChar,4);

cmdUploadDoc.Parameters[0].Value = TextBoxFileName.Text;

cmdUploadDoc.Parameters[1].Value = Docbuffer ;

cmdUploadDoc.Parameters[2].Value = strDocType;

BooksConn.Open();

cmdUploadDoc.ExecuteNonQuery();

BooksConn.Close();

}

}

LabelStat.Text="上传文件成功！";

}

}

}

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