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Posted by kiranpatils on August 13, 2009
If you received an error saying There is no script engine for file extension “.vbs” then you are on right post 
I tried doing this : regsvr32 %systemroot%\system32\vbscript.dll
But like you — for me too no luck 
But finally following trick worked for me
1. Locate the file %windir%\inf\wsh.inf (inf is a hidden
folder)
2.right click and select “Install”.
Happy Coding!!
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Posted by kiranpatils on May 30, 2009
This post is dedicated to guys who do believe in OOPS or eager to learn OOPS Concepts[Like me ]. Our .NET F/w is built heavily on OOPS concepts. So, if you see take any Class like System.Web.UI.WebControls.TextBox if you see it’s CD and dig more in it you will learn a lot:
This is just one example if you take any Control/Class of .NET F/W you will understand more how it has been designed and why?
So it is always good to have all namespace and types poster with you always too look at it while you are having cup of coffee
So, Grab this and take a print out of it and have fun
Programming With Fun!!
Posted in .NET, Uncategorized | Tagged: .NET 2.0, .NET 3.5 | Leave a Comment »
Posted by kiranpatils on October 24, 2008
Setting value of <div id=”divhtml”> using js like this :
document.getElementById(“divhtml”).innerHTML = “<form><input type=”text”>…</form>”;
it was giving me error..
Solution:
oldDiv = document.getElementById(divhtml);
newDiv = document.createElement(oldDiv.tagName);
newDiv.id = oldDiv.id;
newDiv.className = oldDiv.className;
newDiv.innerHTML = “<form><input type=”text”>…</form>”;
oldDiv.parentNode.replaceChild(newDiv, oldDiv);
And it worked like a charm!!!!!!
Link : http://piecesofrakesh.blogspot.com/2007/02/ies-unknown-runtime-error-when-using.html
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Posted by kiranpatils on October 20, 2008
I have my application structure similar to as shown below:
My JavaScript file has one function which I want to use on each and every page which used my master page. That JS function looks like:
</font>
<font size="2">function HelloWorld()
{
alert("Helloo.....World...");
}</font>
<font size="2">
And to register a JS file i have registered it on one place which is in MASTER..rather than registering it on each and every page. so my master head looks like this:
</font>
<font size="2">
<head runat="server"> </font>
<font size="2"><script language="javascript" type="text/javascript" src="Javascript/HelloWorld.js">
</script>
</head></font>
<font size="2">
on FormWithMasterPage.aspx. i was calling that function as shown below:
</font>
<font size="2"><asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<input type="button" value="OK" onclick="HelloWorld();" />
</asp:Content></font>
<font size="2">
And it was working as expected..means showing alert message:
but when i tried the same within SubPageDefault.aspx which is under my SubFolder folder it was throwing an error:
Which says that it was unable to find JS function HelloWorld();
In short..How to Add application relative Javascript reference?????
Because for SubPageDefault.aspx function it was trying to find “Javascript/HelloWorld.js” under /SubFolder/javascript/..
To solve this problem you need to change bit in your master page head section:
1. Open master page and locate its <HEAD> Section and if it has runat=”server” remove it. [In some case if you are using Themes then it is compulsory to put it..no problem put another head tag with no runat="server".]
2. Hook the code as shown below under <HEAD> for registering JS:
</font>
<font size="2">
<head>
</font><font size="2">
<font color="#0000ff">
<%--To use line as shown below remove runat="server" And if it is required to put runat="server" put one more head with runat="server"--%>
<script language="javascript" type="text/javascript" src='<%=ResolveClientUrl("~/Javascript/HelloWorld.js")%>'></script></font>
</font>
<font size="2"><font color="#ff0000"><%--Line below will not work--%>
<%--<script language="javascript" type="text/javascript" src="Javascript/HelloWorld.js"></script>--%>
</font></head></font>
<font size="2">
That’s it…Happy mastering!!
Source code: http://sites.google.com/site/klpatils/Home/RelativeJSURL.rar?attredirects=0
Links:
http://www.dotnetgenerics.com/Modules/TricksAndTips/ASP.NET/PowerOfTilda.aspx
http://www.odetocode.com/Articles/419.aspx
http://www.odetocode.com/articles/450.aspx – ATOZ of Master Page
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Posted by kiranpatils on September 18, 2008
You have created one Class Library project e.g “BusinessLogic” and other projects are also using it and they are referencing it from C:\MyLibraries folder. Where you put this “Business Logic” Class library. But what happens that you do some changes in your library and forgot to copy it at c:\MyLibraries location. And people starting shout on you…If you are using Visual studio than this thing you can automate using a feature called “Post Build Event”.
Sounds good idea na….so lets see how can you achieve this step by step:
COPY Source destination
Click on edit post build event button which will open a window. Here you can see
List of Macros like
TargetDir = your current Class library Bin/debug directory
TargetFileName = your Class library .dll name
And so on which you can explore on your self.
So for copying my .dll to C:\MyLibraries folder I have written like this:
Copy $(TargetDir)\$(TargetFileName) $(TargetDir)\..\..\..\..\ MyLibraries
..\..\..\ = this syntax is for coming up level from child directories. So based on your depth level you can use it wisely.
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Posted by kiranpatils on April 2, 2008
just add <base target=”_self”> in <HEAD></HEAD>
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Posted by kiranpatils on April 2, 2008
I need to debug JS and i found it from here:
http://geekswithblogs.net/lazydeveloper/archive/2006/07/10/84552.aspx
Thanks to blogging..
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Posted by kiranpatils on March 19, 2008
Whenever you want to format any DateTime in C#.NET and want to return it with specific type then you should use overloaded function of ToString(“<Pattern to get>”).
Some of it is here:
http://www.codeproject.com/KB/cs/DateTime_Patterns.aspx
Enjoy!!
Posted in Uncategorized | Tagged: DateTime | Leave a Comment »
Posted by kiranpatils on March 13, 2008
Have you ever thought that how can i set icon for my Web application developed in ASP.NET. so it can show a custom icon in IE7,Mozilla[as shown above for Google]
Solution:
On any page for which you want to show a custom icon follow the stpes:
1. [One time] put any icon on root of your application folder/at any images folder.
2.add the following tag under <head> tag [i had added on default.aspx]
<link REL=”icon” href=”myicon.ico”/> //give path of a icon
That’s it
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Posted by kiranpatils on March 13, 2008
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Security.Cryptography;
namespace RfcDemoPwdGenerator
{
class Helper
{
private static string password = “ABCDE”; //give strong password
private static int iterations = 1024;
private static byte[] salt = Encoding.ASCII.GetBytes(“This is My Salt value”);
/// <summary>
/// this function will take a plaintext as an arg and
/// returns ciphertext as an O/P
/// </summary>
/// <param name=”plaintext”></param>
/// <returns></returns>
public static string Encrypt(string plaintext)
{
Rfc2898DeriveBytes KeyBytes = new Rfc2898DeriveBytes(password, salt, iterations);
//The deafault iteration count is 1000
RijndaelManaged alg = new RijndaelManaged();
alg.Key = KeyBytes.GetBytes(32);
alg.IV = KeyBytes.GetBytes(16);
MemoryStream encryptStream = new MemoryStream();
//Stream to write
CryptoStream encrypt = new CryptoStream(encryptStream, alg.CreateEncryptor(), CryptoStreamMode.Write);
//convert plain text to byte array
byte[] data = Encoding.UTF8.GetBytes(plaintext);
encrypt.Write(data, 0, data.Length); //data to encrypt,start,stop
encrypt.FlushFinalBlock();//Clear buffer
encrypt.Close();
return Convert.ToBase64String(encryptStream.ToArray());//return encrypted data
}
/// <summary>
/// this function will take a ciphertext as an arg and
/// returns plaintext as an O/P
/// </summary>
/// <param name=”plaintext”></param>
/// <returns></returns>
public static string Decrypt(string ciphertext)
{
Rfc2898DeriveBytes KeyBytes = new Rfc2898DeriveBytes(password, salt, iterations);
//The deafault iteration count is 1000
RijndaelManaged alg = new RijndaelManaged();
alg.Key = KeyBytes.GetBytes(32);
alg.IV = KeyBytes.GetBytes(16);
MemoryStream decryptStream = new MemoryStream();
//Stream to read
CryptoStream decrypt = new CryptoStream(decryptStream, alg.CreateDecryptor(), CryptoStreamMode.Write);
//convert ciphertext to byte array
byte[] data = Convert.FromBase64String(ciphertext); //IF using for WEB APPLICATION and getting ciphertext via Querystring change code to : Convert.FromBase64String(ciphertext.Replace(” “,”+”));
decrypt.Write(data, 0, data.Length); //data to encrypt,start,stop
decrypt.Flush();
decrypt.Close();
return Encoding.UTF8.GetString(decryptStream.ToArray());//return PlainText
}
}
}
Use it and Enjoy!!!!
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