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Global Assembly Cache

Global Assembly Cache
To create a small Class Library project by using Visual Studio .NET or Visual Studio 2005, to generate a strong name, and to install the project's .dll file in the Global Assembly Cache, follow these steps:

1. Open Visual Studio .NET or Visual Studio 2005.
2. Create a new Class Library project named GAC in Visual Basic .NET or in Visual Basic 2005.
3. A strong name is needed. To generate this cryptographic key pair, use the SN Tool, which is located in the \bin subdirectory, where the .NET Framework Solution Developer Kit (SDK) is installed. The SN Tool is very easy to use. The command-line statement takes the following form:
sn -k "C:\[DirectoryToPlaceKey]\[KeyName].snk"
4. For convenience, create a directory named GACDemo in C:\ so that you can easily locate the key and access the key from the command prompt.

NOTE: For most users, the .NET tools are located in C:\Program Files\Microsoft.NET\FrameworkSDK\Bin. Before you type the following SN command, you may want to copy this similar path on your computer to the .NET bin directory, type cd from the command prompt, right-click to paste the path, and then press ENTER to quickly change the directory where the SN Tool is located.

Type the following:
sn -k "C:\GACDemo\GACkey.snk"
Note In the .NET Framework 2.0, the .NET tools are located in the C:\Program Files\Microsoft.NET\SDK\v2.0\Bin folder.
5. A key is generated, but it is not yet associated with the project's assembly. To create this association, double-click the AssemblyInfo.vb file in the Visual Studio .NET or Visual Studio 2005 Solution Explorer. Add the following to the list of assembly attributes that are included in this file by default when a project is created in Visual Studio .NET or in Visual Studio 2005:

Compile the project by clicking CTRL+SHIFT+B. No further code is necessary at this point in order to install a .dll file in the GAC.
6. You can install the .dll file by using the Gacutil Tool or by dragging the .dll file into the appropriate directory. If you use the Gacutil Tool, you can use the following command:
gacutil -I "C:\[PathToBinDirectoryInVSProject]\gac.dll"
If you want to drag the file, use Microsoft Windows Explorer. Open two instances of Windows Explorer. In one, navigate to the location of the .dll file output for your console project. In the other, navigate to c:\[SystemRoot]\Assembly.

Drag your .dll file into the folder.

Crystal Report in Windows Application

1. Add Crystal Report to Application give oledb(ado) connection
2. Select Corresponding Table and column


CrystalReport1 objRpt = new CrystalReport1();
objRpt.SetDataSource(ds.Tables[0]);
crystalReportViewer1.ReportSource = objRpt;
crystalReportViewer1.Refresh();

Cursor Example

declare cursor_fetch cursor for select * from spt_values

open cursor_fetch

fetch cursor_fetch

close cursor_fetch

deallocate cursor_fetch

using System.Collections;
public partial class sample : System.Web.UI.Page
{
Col < string > str = new Col < string > ();
Col < int > inser = new Col< int >();
protected void Page_Load(object sender, EventArgs e)
{
str.Val="hai";
str.Val = "hello";
inser.Val=1;
inser.Val = 2;
inser.Val = 3;
}
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = str.Val.ToString();
Button1.Text = inser.Val.ToString();
}
protected void Button2_Click(object sender, EventArgs e)
{
ArrayList al = new ArrayList();
for (int i = 0; i < 100; i++)
{
al.Add(i);
}
DropDownList1.DataSource = al;
DropDownList1.DataBind();
}
}
public class Col< T >
{
T t;
public T Val
{
get
{
return t;
}
set
{
t = value;
}
}
}

.net Framework 2.0 Feature

Partial Class - Two more user can work with same class name

Master Page - Master Design Applied to Child Page

Ajax Control - Used to Design good webpage

Generics - Handle two different Datatype in Array List

.net Framework 3.5 Feature

WPF- Windows Presentation Foundation

WCF- Windows Communication Foundation

WF- WorkFlow Foundation

Linq