//從form 中獲取fileData

HttpFileCollection files = Request.Files;

byte[] fileData = new byte[files[0].ContentLength];

files[0].InputStream.Read(fileData, 0, fileData.Length);

void FileStateHandle(string connstr, OptType opt, string fileName,byte[] fileData, string state, string message)

{

SqlConnection sqlconn;

string commandText = null;

SqlCommand cmd = new SqlCommand();

message = message.Replace("'", "''");

fileName = fileName.Replace("'", "''");

sqlconn = new SqlConnection(connstr);

switch(opt){

case OptType.Insert:

commandText = "insert into dbo.SalesTraceUploadedFiles(FileName,FileData,State,Message,Date) select "

+ "'" + fileName + "'"

+ ", @fileData"

+ ",'" + state

+ "','" + message

+ "',getdate()";

cmd.CommandText = commandText;

//此處是重點哦 將filedata 賦值進去

SqlParameter prmFileData = new SqlParameter("@fileData", SqlDbType.VarBinary);

prmFileData.Value = fileData;

prmFileData.Size = fileData.Length;

cmd.Parameters.Add(prmFileData);

break;

case OptType.Update:

commandText = "update SalesTraceUploadedFiles set Message = '"+message+"' ,State = '" + state

+ "' where FileName = '" + fileName + "'";

cmd.CommandText = commandText;

break;

}

try

{

cmd.Connection = sqlconn;

sqlconn.Open();

cmd.ExecuteNonQuery();

}

catch

{

throw;

}

finally{

sqlconn.Close();

cmd.Dispose();

}

}

總結

以上是生活随笔為你收集整理的c# mysql 文件存储_c# 如何实现保存文件到数据库的全部內(nèi)容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內(nèi)容還不錯，歡迎將生活随笔推薦給好友。