System.web.dll - .NET Framework

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by: Terrence | last post by:

I am doing some of the C# walkthroughs to transition from VB to C#. When I try to execute static void Main() { Aplication.Run(new Form1()) } I raise a 'System.NullReferenceException" in...

.NET Framework

ISP Billing System

by: Scott | last post by:

Not sure if this is the right place to post this or not, but I am in the process of trying to find a Web Hosting/Isp Billing system that is reasonable in price and uses Access or SQL Server for a...

ASP / Active Server Pages

System.NullReferenceException: Object reference not set to an instance of an object.

by: muralidharan | last post by:

WebForm1.aspx Code: <%@ Register TagPrefix="ComponentArt" Namespace="ComponentArt.Web.UI" Assembly="ComponentArt.Web.UI" %> <ComponentArt:TreeView id="TreeView1" Height="520"...

.NET Framework

System.Xml.XPath.XPathException

by: laks | last post by:

Hi I have the following xsl stmt. <xsl:for-each select="JOB_POSTINGS/JOB_POSTING \"> <xsl:sort select="JOB_TITLE" order="ascending"/> This works fine when I use it. But when using multiple...

.NET Framework

An unhandled exception of type 'System.Data.OleDb.OleDbException' occurred in sy

by: NicK chlam via DotNetMonster.com | last post by:

this is the error i get System.Data.OleDb.OleDbException: Syntax error in INSERT INTO statement. at System.Data.Common.DbDataAdapter.Update(DataRow dataRows, DataTableMapping tableMapping) at...

ASP.NET

System.Type & QAN.... Will 'version' break things down the line?

by: Sky | last post by:

Yesterday I was told that GetType(string) should not just be with a Type, but be Type, AssemblyName. Fair enough, get the reason. (Finally!). As long as it doesn't cause tech support problems...

C# / C Sharp

How can I get the specific file handle information from a System.Diagnostics.Process.Start call?

by: forest demon | last post by:

for example, let's say I do something like, System.Diagnostics.Process.Start("notepad.exe","sample.txt"); if the user does a SaveAs (in notepad), how can i capture the path that the user...

C# / C Sharp

System.Data.DataColumn' does not contain a definition for 'Windows' ??

by: mfunkmann | last post by:

Hi, I recently got an error and I don't know how to fix it: Error 1 'System.Data.DataColumn' does not contain a definition for 'Windows' C:\c#\CsharpPRO\Form1.Designer.cs 304 77 CsharpPRO I...

C# / C Sharp

System Modal Message Boxes

by: =?Utf-8?B?TmF0aGFuIFdpZWdtYW4=?= | last post by:

Hi, I am wondering why the .NET Framework is quite different from Win32 API when it comes to displaying system modal message boxes. Consider the four following types of system modal message...

C# / C Sharp

Caught Exception: System.Configuration.ConfigurationErrorsException: An error occurred loading a configuration file: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicK

by: Mike | last post by:

Hi I have problem as folow: Caught Exception: System.Configuration.ConfigurationErrorsException: An error occurred loading a configuration file: Request for the permission of type...

ASP.NET

Basic Javascript concepts

by: aa123db | last post by:

Variable and constants Use var or let for variables and const fror constants. Var foo ='bar'; Let foo ='bar';const baz ='bar'; Functions function $name$ ($parameters$) { } ...

Javascript

Batch import of multiple excel files into the database

by: ryjfgjl | last post by:

If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...

Data Management

Merging data from multiple Excel files

by: ryjfgjl | last post by:

In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...

Data Management

Migrating Website to Cloud - Emmanuel Katto

by: emmanuelkatto | last post by:

Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

General

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

How to build RAID in BIOS?

by: Hystou | last post by:

There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

Computer Hardware

What is ONU?

by: marktang | last post by:

ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...

General

Problem With Comparison Operator <=> in G++

by: Oralloy | last post by:

Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

C / C++