Thursday, December 17, 2009

Delete All Tables from Database

Declare @sql Varchar(500)
Declare @get_table varchar(100)
DECLARE s_gettable CURSOR FOR SELECT name FROM sys.objects where type_desc ='USER_TABLE'
OPEN s_gettable
FETCH NEXT FROM s_gettable INTO @get_table
WHILE @@FETCH_STATUS = 0
BEGIN
BEGIN
Set @sql='drop table dbo.'+@get_table
exec(@sql)
END
FETCH NEXT FROM s_gettable INTO @get_table
END
CLOSE s_gettable
DEALLOCATE s_gettable

Download File in ASP.NET

protected void Button1_Click(object sender, EventArgs e)

{

// Get the physical Path of the file(test.doc)
string
filepath = Server.MapPath("images/5.jpg");
// Create New instance of FileInfo class to get the properties of the file being downloaded
FileInfo
file = new FileInfo(filepath);
// Checking if file exists

if
(file.Exists)

{

// Clear the content of the response

Response.ClearContent();

Response.Clear();

// LINE1: Add the file name and attachment, which will force the open/cance/save dialog to show, to the header

Response.AddHeader(

"Content-Disposition", "attachment; filename=" + file.Name); // Add the file size into the response header

Response.AddHeader(

"Content-Length", file.Length.ToString()); // Set the ContentType

Response.ContentType = ReturnExtension(file.Extension.ToLower());

// Write the file into the response (TransmitFile is for ASP.NET 2.0. In ASP.NET 1.1 you have to use WriteFile instead)

Response.TransmitFile(file.FullName);

Response.Flush();

// End the response

Response.End();

}

}

private string ReturnExtension(string fileExtension)

{

switch (fileExtension)

{

case ".htm":

case ".html":

case ".log":

return
"text/HTML";

case
".txt":

return
"text/plain";

case
".doc":

return
"application/ms-word";

case ".tiff":

case ".tif":

return "image/tiff";

case
".asf":

return
"video/x-ms-asf";

case
".avi":

return
"video/avi";

case
".zip":

return
"application/zip";

case
".xls":

case ".csv":

return "application/vnd.ms-excel";

case
".gif":

return
"image/gif";

case
".jpg":

case
"jpeg":

return
"image/jpeg";

case
".bmp":

return "image/bmp";

case
".wav":

return
"audio/wav";

case
".mp3":

return
"audio/mpeg3";

case
".mpg":

case "mpeg":

return
"video/mpeg";

case
".rtf":

return
"application/rtf";

case
".asp":

return
"text/asp";

case
".pdf":

return
"application/pdf";

case
".fdf":

return "application/vnd.fdf";

case
".ppt":

return "application/mspowerpoint";

case
".dwg":

return
"image/vnd.dwg";

case
".msg":

return
"application/msoutlook";

case ".xml":

case
".sdxl":

return
"application/xml";

case ".xdp":

return "application/vnd.adobe.xdp+xml";

default
:

return
"application/octet-stream";

}

}