Dhaneel.Com
Technical & Miscellaneous Ramblings
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compress files zip/unzip
Posted on July 27th, 2009 7 commentsI was looking for a library which can zip/unzip files then I found this one very easy to use.
To zip files you need to just do this
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using (ZipFile zip = new ZipFile()
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{
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zip.AddFile("file.txt");
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zip.Save("MyZipFile.zip");
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}
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This library has got lot lots of option which you can experiment and best thing is runtime library just 100kB. You can download the library from CodePlex DotNetzip.
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Redirect user when session timeout
Posted on July 15th, 2009 No commentsI was searching for a best way to redirect client when sessions timeout.Found few solutions but I liked this one.
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private void CheckSessionTimeout()
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{
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string msgSession = "Warning: Within next 3 minutes, if you do not do anything, " + " our system will redirect to the login page. Please save changed data.";
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//time to remind, 3 minutes before session ends
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int int_MilliSecondsTimeReminder = (this.Session.Timeout * 60000) - 3 * 60000;
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//time to redirect, 5 milliseconds before session ends
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int int_MilliSecondsTimeOut = (this.Session.Timeout * 60000) - 5;
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string str_Script = @"
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var myTimeReminder, myTimeOut;
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clearTimeout(myTimeReminder);
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clearTimeout(myTimeOut); " +
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"var sessionTimeReminder = " +
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int_MilliSecondsTimeReminder.ToString() + "; " +
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"var sessionTimeout = " + int_MilliSecondsTimeOut.ToString() + ";" +
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"function doReminder(){ alert(’" + msgSession + "’); }" +
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"function doRedirect(){ window.location.href=window.location.href; }" + @"
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myTimeReminder=setTimeout(’doReminder()’, sessionTimeReminder);
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myTimeOut=setTimeout(’doRedirect()’, sessionTimeout); ";
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ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(),
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"CheckSessionOut", str_Script, true);
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}
call this function on each page call. Like you can put it in
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protected void Page_Load(object sender, EventArgs e)
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{
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this.CheckSessionTimeout();
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}
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Hope this will help.
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