Archive for the ‘.NET’

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    Retrieving domain information through ASP.NET
    There are many  domain checking websites available that gives all the information regarding domains. WhoIs is one of them. Following is a sample asp.net code that connects to one of WhoIs servers and retrieve information of a specific website. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI;...
    by Nauman at December 24th, 2009 at 05:12 am
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    Add meta data dynamically
    Add meta-data dynamically to your page by adding a HtmlMeta control to your Header. In this example I dynamically add a keyword string to the page. string keyWords = “metatags, html, dynamic, generate”; HtmlMeta keywords = new HtmlMeta(); keywords.Name = “keywords”; keywords.Content = keyWords; Page.Header.Controls.Add(keywords);
    by Nauman at December 24th, 2009 at 04:12 am
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    Date Time string formatting in ASP.NET
    With the following code you can format a DateTime within a Databind. <%# DateTime.Parse(Eval("DateModified").ToString()).ToString("MM-dd-yyyy")%> Some more format specifiers that can change format of datetime objects the way it is required. Format specifier Name d Short date pattern D Long date pattern t Short time pattern T Long...
    by Nauman at December 24th, 2009 at 04:12 am
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    SqlBulkCopy – Bulk Insertion in SQL Server from .NET
    Many a times there come a scenario when you have to insert large number of records in sql server. There are number of ways to implement this scenario: through looping techniques to call insert statements for one record at a time. Serialize the data in CSV or XML format and send them as a parameter to a stored procedure and then through parsing execute insertion statements. generate...
    by Nauman at November 5th, 2009 at 06:11 am
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    Crystal report tutorial – VS 2005
    A very good book on using Crystal reports in Visual Studio 2005. many small and minute things are discussed in this book. VS2005 Walkthroughs Crystal Reports
    by Nauman at November 5th, 2009 at 02:11 am
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    Easy way to Export dataset in Excel
    Fastest way to export dataset in excel format is: DataSet dsExport = new DataSet(); System.IO.StringWriter tw = new System.IO.StringWriter(); HTMLTextWriter hw = new HTMLTextWriter(tw); DataGrid dg = new DataGrid(); dg.DataSource = "Dataset to be exported" hw.WriteLine ("<b><font size=’3′>Exported report</font></b>"); dg.DataBind(); Response.ContentType...
    by Nauman at November 5th, 2009 at 12:11 am
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    Crystal Report Viewer width – Visual Studio
    By default Crystal report viewer width is fixed according to it toolbar, but changes due to amount of data present in the report. And the width is not editable (as it is seen). Because of this reason if a crystal report has good amount of data then it goes past page width and disturbs the UI of that webpage. One method to overcome this problem is hidden in the Crystal...
    by Nauman at November 5th, 2009 at 12:11 am
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    Setting Windows Service account dynamically
    Often we need to change the windows service account to our needs or when a new user is logged in who has not installed the service. Here is a quick way to check and change the service account. string objPath = string.Format("Win32_Service.Name=’{0}’", serviceName); using (ManagementObject service = new ManagementObject(new ManagementPath(objPath)))...
    by Nauman at November 5th, 2009 at 12:11 am
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    The maximum report processing jobs limit configured by your system administrator has been reached.
    call Close or Dispose method at the end so the reporting engine remove the report entry from its queue.
    by Nauman at November 5th, 2009 at 12:11 am
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    MS Charts in Visual Studion 2008
    Looking for some good looking and lightweight charting control to be used with VS 2008 applications. I have checked the following article on adding an using MS Charts control in vs 2008. It contains all the basic information regarding the creation and implementation of ms chart controls. MS Charts MS Charts Download Chart Templates
    by Nauman at November 5th, 2009 at 12:11 am
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    Compile c++ DLL to 64 bit using VS 2003
    HI, Do the following things to compile it to 64-Bit application ———————————————————– 1) Open from the start menu "Microsoft Platform SDK for Windows Server 2003 SP1\Open Build Environment Window\Windows Server 2003 64-bit Build Environment\...
    by Nauman at November 5th, 2009 at 12:11 am
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    SetWindowLong Function doesn’t work in 64 bit machine
    The SetWindowLong function changes an attribute of the specified window. The function also sets the 32-bit (long) value at the specified offset into the extra window memory. This function has been superseded by the SetWindowLongPtr function. To write code that is compatible with both 32-bit and 64-bit versions of Microsoft Windows, use the SetWindowLongPtr function.
    by Nauman at November 5th, 2009 at 12:11 am
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    How to reg 64-bit assembly using VS2005 setup on 64-bit
    I got one problem on registering a 64bit assembly during theinstallation. The installation package was developed using VS2005setup project.I could not invoke this assembly after installation. I believe thereason is the assembly had not been registered properly duringinstallation.(The assembly works well if I run Framework64/regasm.exe manually ) Ialready set the Register...
    by Nauman at November 5th, 2009 at 12:11 am
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    The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Must issue a STARTTLS command first
    This annoying error comes up when using some smtp server that uses SSL. A simple implementation to configure smtp settings in an ASP.NET web application is to add these setting in the specific "MailSettings" tag of Web.config file. I had also declared all the settings in web.config file but still I get this every time i was to send a mail through the application....
    by Nauman at November 5th, 2009 at 12:11 am
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    Securing ASP.NET Web applications – Beginner’s article
    Want to secure a web application. A very good article relating to ASP.NET web application security hacks, and prevention techniques are defined at a beginner level. A good article for beginners, those who want to secure their applications. Article Here
    by Nauman at November 5th, 2009 at 12:11 am
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    Disabling Repair option from installer
    I was facing problem to disable “Repair” option from msi installer. I found the solution in little time. If you haven’t install MSI ORCA then install it. Open the msi file in MSI ORCA editor. Select “Property” from left pane (Table pane), and Right click and ‘Add Row’ with property name ‘ARPNOREPAIR’ and value ’1′...
    by saim at November 5th, 2009 at 12:11 am
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    Disabling “Change” option from installer
    I was facing problem to disable “Change” option from msi installer. I found the solution in little time. If you haven’t install MSI ORCA then install it. Open the msi file in MSI ORCA editor. Select “Property” from left pane (Table pane), and Right click and ‘Add Row’ with property name ‘ARPNOMODIFY’ and value ’1′...
    by saim at November 5th, 2009 at 12:11 am
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    Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80040154
    Sometimes when working with office Interop assemblies the above mentioned error occurs. I had also got the same when using Microsoft Excel interop assembly and adding its reference in my ASP.NET application.       The problem is that by default when Microsoft Excel is used as a COM object then it can only be activated by the following accounts: Administrator...
    by Nauman at November 3rd, 2009 at 08:11 am
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    Registering an Assembly through code
    Many times we have to register an assembly and only one thing came in mind "regasm" command line utility. But for this also we have to manually type this command and it parameters (assembly name) in command prompt, or we can use the Process class in .NET to call regasm executable, and run through .NET, but there is also another way to register an assembly, and...
    by Nauman at November 3rd, 2009 at 08:11 am
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    Register an assembly through a setup project
    In your setup project, make sure you selected the option to add an assembly and not the option to add a file. After you add the assembly, select it in the view pane and open the Properties dialog. The "Register" property should have a drop down list of the available registration options for the assembly. By default, .net assemblies are not set up to register...
    by Nauman at November 3rd, 2009 at 08:11 am
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