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Install Fonts on Ubuntu Linux

2010-08-30T00:16:00.004+08:00

Go to you Home folder (Places -> Home Folder)

Select “Show Hidden Files” option from Nautilus View menu (View ->Show Hidden Files [Ctrl +H])

If ".fonts" folder is not exist , create new folder with name “.fonts” (don't forgot to put dot in front)

copy your fonts to this folder

Now new fonts will be ready to use.

How to configure IIS7 in Vista for Asp.Net

2008-09-09T22:23:00.000+08:00

How to configure IIS7 in Vista for Asp.Net

1.) Go to Start-->Menu and then Open control panel.
2.) Select "Program and Features"
3.) On left "Task" tab Choose "Turn Windows features on or off", you will see “Internet Information Service"
4.) Expend it, You will see "World wide Web Services" tab expend again
and then expend "Application Development Features"
5.) Check "Asp.NET”.
6.) Check "IIS 6 Management Compatibility" under "Web Management Tools"
7.) Check the "Windows Authentication" under "Security" tab
8.) Press Window key + R ,And then write "inetmgr"
9.) Expand the machine and select "Websites".
10.) Click "Advanced Settings" under "Actions" tab that locate on your right site.
11.) Set the "Application Pool" to "Classic.Net AppPool"

Is programming only for adults?

2008-09-06T23:12:00.004+08:00

How is wonderful. Programming isn't just for adults any longer. Now Java introduce it for child. Young people are learning programming languages from the earliest ages and up. These tools and web sites teach young people how to program using the Java programming language, as well as languages developed for ease of use.

If you wanna know about this, pls go there...

1.) http://java.sun.com/new2java/learning/young_developers.jsp
2.) http://java.sun.com/developer/technicalArticles/young_dev_learning_path/

How to check datetime, numeric !

2008-02-25T11:42:00.000+08:00

How to check datetime

If you use vb.net, this is not a problem for you but I think some people using c# have a trouble in there.Now, I will explain how to check datetime.I will explain two ways.
first way is so easy.you should add this method and use it.

public bool isDate(string date) {
try{
DateTime dt=DateTime.parse(date);
return true;
}
catch(Exception ex){
return false;
}
}

But this is not a good way.How is second.Second way is so beauty.

public bool checkDate(string date){
DateTime d;
return DateTime.TryParse(date,d);
}

Personalization and Themes

2007-07-16T15:48:00.000+08:00

Create skins and theme in your project.

1.) Right click in your project and select “Add ASP.NET Folder” and choose Theme.And then

Change name to “lookandfeel”.

2.) Right click upon it and select “Add New Item…” ,choose Skin File,change name to “Blue.skin”.

And then add next one skin file and named to “BrownTheme.skin”.

In Blue Skin file,add code like this,

< skinid="BlueTheme" runat="server" backcolor="Aqua">

In BrownTheme Skin file, add some code as bellow …

< skinid="BrownTheme" runat="server" backcolor="Brown">

I don’t expain all in there ,I will assume that you have some experience in Asp.net web application.

1. 1.) Add Login.aspx file in your project. And then add Login, HyperLink control from toolbox.

2. 2.) Add Default.aspx file.

- Change to source view and Write like this “Thank for visit my site!”.

- And then add DropDownList, Button and LoginStatus control from toolbox.

3. 3.) Add Register.aspx file.

- Add CreateUserWizard.

In Login.aspx ,

For HyperLink,Set

- NavigateUrl = "~/Register.aspx"

- Text=” Register”

For Login, Set

- DestinationPageUrl="~/MyTest/Default.aspx"

In Register.apsx ,

For CreateUserWizard , Set

- ContinueDestinationPageUrl = "~/MyTest/Login.aspx"

In Default.aspx,

For Doucment ,Set

- Theme = "lookandfeel"

For LoginStatus, Set

- LogoutPageUrl="~/MyTest/Login.aspx"

- LogoutAction="Redirect"

For DropDownList,Set

- ID="lstPageTheme"

And then add these two item

< text="Blue" value="BlueTheme">

< text="Brown" value="BrownTheme">

For Button,Set

- Text="Save"

Open your web.config and add these code at before closing the system.web tab.

< enabled="true" defaultprovider="AspNetSqlProfileProvider">

<>

< name="PageTheme">

< /properties >

< /profile >

Open your Default.aspx file and then change to code view ,and then add these event and code.

public string _SelectTheme;

public override String StyleSheetTheme

{

get

{

return _SelectTheme;

}

set

{

_SelectTheme = value;

}

//you can only change your skin and theme in PreInit event

protected void Page_PreInit(Object sender, EventArgs e)

{

ProfileCommon pc = (ProfileCommon)HttpContext.Current.Profile;

lstPageTheme.SkinID = pc.PageTheme;

}

//to save the theme

protected void Button1_Click(object sender, EventArgs e)

{

Profile.PageTheme = lstPageTheme.SelectedValue;

Response.Redirect(Request.Path, true);

}

How to combile and work with server side event and client side event

2007-01-26T10:28:00.000+08:00

How to fire server side event from client side
Firstly ,Install fire bug add on or install any good text editor that is check for html code.Now start to create
Our web page.crate Test.aspx file and then add one asp Label control and two html control.like this.

Test.aspx
< id="Text1" type="text">
< id="Button1" type="button" value="Start" runat="server" onserverclick="Button1_ServerClick">
< id="lblmsg" runat="server" width="151px">

In button click event ,write like this.

protected void Button1_ServerClick(object sender, EventArgs e)
{
lblmsg.Text = "Hello !";
}

If you finish to create like this ,please run it and look source from browser-->view-->source.Now ,you will see like
this.If you have fire bug ,use it.

< !--other tag and script-- >
< type="text/javascript">

< /script >

< id="Text1" type="text">
< language="javascript" onclick="__doPostBack('Button1','')" name="Button1" type="button" id="Button1" value="Start">
< id="lblmsg" style="display:inline-block;width:151px;"> < /span >

So,Do you remember that we add three control to this form.Now find this control and check their id.Please record it.What you see in our button ,Do you see onlick event and __doPostBack method.record it.
And then goback to our aspx file.And repair like this .In head section you need to add one function

< type="text/javascript">
function ff(){
if(document.getElementById('Text1').value=="developer"){
__doPostBack('Button1','');
}
else {
alert("sorry!");
}
}
< /script >

before body close you need to add this .

< type="text/javascript">
document.getElementById('Button1').onclick =ff;
< /script >

Now ,Please run your code!what you see !
download source code
- Test.aspx
- Test.aspx.cs

How to send mail with c#

2007-01-19T19:59:00.000+08:00

How to send mail with c#
If you want to sending the mail with c# , you must import "System.Net.Mail" namespace .And then we need to use
the SmtpClient class.This class have two properties and two method that we need to use.

Properties -
1.) Host
2.) Port

Method
1.) Send()
2.) SendAsync()

In properties ,it is too easy to know what it is mean.So I only discuss the method.The different between Send() and
SendAsync() is Send() method other relative operation will be wait untail sending mail operation is finish.If you
use the SendAsync() method ,you not need to wait sending mail operation is finish.So thinking yourself and try to use it.

Now I will show you a sample ,

private void SendMyMail() {

string msg_header="How to send mail!"; //mail subject (or) mail header
string msg_body="Hi!Friend,How are you!May I know how to send mail"; //mail body

SmtpClient client = new SmtpClient();
client.Host = "MyMailServer.com.net"; // this is mail server name
client.Port = 25;

//Now send mail here
client.Send("youname@yourserver","yourfriend@yourfrdserver",msg_header,msg_body);

}

In Send() method ,first parameter is from address ,second parameter is to address and third parameter is mail header,
and final parameter is mail body.
Now ,you can start to send mail with c# !

thank for your interest.
regard by
kokothet@kavan

How to detect and control Browser close event

2007-01-13T15:05:00.000+08:00

How to Control browser close event

It is too easy to control .But we can't use the server side script because this event happen in client side.I will explain with the javascript.Now,create the one web form and add one datagrid control .In the datagrid column add one check box and one text box.

And then binding the data in code behind. like this -

private void Page_Load(object sender, System.EventArgs e)
{
//for retrieve the data from database
string connStr="Data Source= DEV-Kavan; Initial Catalog= Test;
user id=sa;pwd=velkiri";
SqlConnection conn=new SqlConnection(connStr);
SqlDataAdapter ad=new SqlDataAdapter("Select * from SUser",conn);
DataSet ds=new DataSet();
ad.Fill(ds,"0");

//bind the data
DataGrid1.DataSource=ds;
DataGrid1.DataMember="0";
DataGrid1.DataBind();
}

this is really simple.Now let go to aspx .write the javascript method

function testfun() {
var count=2;
var str="";
while(document.getElementById("DataGrid1").hasChildNodes()){
if(document.getElementById("DataGrid1__ctl"+count+"_CheckBox1").checked==true)
{ str=str+document.getElementById("DataGrid1__ctl"+count+"_TextBox1").value+",";
alert(str);
}
count=count+1;
}
alert("final"+str);
opener.document.getElementByID("b").value="aaa";
opener.document.forms(0).submit();
}

Get the datagrid object through getElementById method.when we look in the datagrid is table.So i use the hasChildNodes() method and check it have any child root.
And then I check our check box is checkup or not.Now add this two statement.
opener.document.getElementByID("b").value="aaa";
opener.document.forms(0).submit();

Get my sample code -
aspx file
cs file

How to saving /reterving the Image into MSsql with Enterprise Library!

2007-01-12T18:01:00.000+08:00

Pre
Before you read and test this program ,I want to explain some external feature that
I use .I use enterprise Library .So If you not interesting this feature ,please change Ado and use it .I will show with command.If you want to use enterprise Library ,But
you have not knowledge for that.Please attention .If not you can skip this section.
Firstly you need to add two .dll to reference of your project.
These are -
1.)Microsoft.Practices.EnterpriseLibrary.Common.dll
2.)Microsoft.Practices.EnterpriseLibrary.Data.dll

If you finish to install enterprise library .you can get the dll from the -
\Microsoft Enterprise Library January 2006\bin
If not , download and install it.You can get enterprise library and some documentation from there .

second you need to import these namespace in your code.
like this -
using Microsoft.Practices.EnterpriseLibrary.Data;
using Microsoft.Practices.EnterpriseLibrary.Data.Sql;
using System.Data.Common;

Save Image into MSsql
Read the Image as a File .And then change to byte array.Now you can easily to save
Image into database.Like this -
protected void Savebtn_Click(object sender, EventArgs e)
{

string ss = File1.Value; //File1 is html input ( File ) control .
byte[] ff = File.ReadAllBytes(ss);
CallInsert(ss,ff);
}

private void CallInsert(string s,byte[] sd)
{
string str_conn = "Data Source=KAVAN;
Initial Catalog=myTestDB;Integrated Security=True";
string sqlcommand = "addImage";
try
{
Database db = new SqlDatabase(str_conn);

//this feature are enterprise lib feature .you can change Ado code.
DbCommand dbCommand = db.GetStoredProcCommand(sqlcommand);
db.AddInParameter(dbCommand, "@PicName", DbType.String, s);
db.AddInParameter(dbCommand, "@Pic", DbType.Binary,sd);

db.ExecuteNonQuery(dbCommand);
}
catch(Exception ex)
{
Console.WriteLine("Test Hight Light");
}
}

Table ( ImagePh )
table name = ImagePh

Name Type
---------------------------
first column = PicNo int ( identity )
second column = PicName varchar (50)
thrid column = Pic image

addImage ( store procedure )
CREATE PROCEDURE [dbo].[addImage]
(
@PicName varchar(50),
@Pic image
)
AS
insert into ImagePh values(@PicName,@Pic)
GO

Reterive Image from MSsql
Read the data from database as DataSet.And then Generate Image .Like this -

protected void Showbtn_Click(object sender, EventArgs e)
{
DataSet ds = CallGet();
//this is hard code ,you can use looping like this ds.Tables[0].Rows[x][2];
byte[] ff = (byte[])ds.Tables[0].Rows[0][2];
string f_name = (string)ds.Tables[0].Rows[0][1];
//there is also
string name = ds.Tables[0].Rows[0][1];
System.IO.MemoryStream mstream = new System.IO.MemoryStream();
mstream.Write(ff, 0, ff.Length);
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(mstream);
bmp.Save(Server.MapPath(f_name),System.Drawing.Imaging.ImageFormat.Jpeg);
Image1.ImageUrl = "./"+ f_name; //Image1 is Image control (Asp control );
}

Thank for your interest.

Learning c# (chapter_1)

2007-01-09T20:44:00.000+08:00

Introducing C#
C# is closely same Java.C# is a case-sensitive language.All c# class need to import some classes from System name space.Let start your first C# program.Open the text editor ,write like this and save as HelloWorld.cs.When you creating your first program,please remember this c# is case-sensitive,so becareful when you creating.If you come from Java ,please remember Main method in c# is not need to add parameter.And then If you want to add ,It is also ok!.Let start.Please be sure to install .net frame work.
your First program -
//import namespace
using System;

//create class HelloWorld
class HelloWorld {
static void Main() {
System.Console.WriteLine("Hello friend ,How are you?");
}
}

C# need to compile and then run like java.first java compile .java file to byte code and then translate it.c# also do like this.Now If you finish to compile ,run like this.In c# firstly compile to assemble and then run it.

Now ,compile like this

- csc.exe HelloWorld.cs ( compile )
- HelloWorld or HelloWorld.exe ( run )

c# keyword

please look this keyword ,You can't create class , method and variable name like keyword name .please remember.
:) to be continue.