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Pie Chart TechniquesWritten by Valentino Vranken. A while ago I wrote an article called Chart Optimization Tips. This article explained how to optimize a Column Chart. Today I have returned to show you some Pie Chart implementation techniques. As usual, I will Views: 21870Comments: 12 |
Median, Mode, Skewness, and Kurtosis in MS Accessby Patrick G. Matthews Introduction Like other database applications, Access provides support for computing basic descriptive statistics for a data set, offering such aggregate functions as Count, Sum, Min, Max, standard deviation and variance Views: 15728Comments: 23 |
Your First OLAP ReportThis article is aimed at report developers who are used to developing reports using relational databases and have gotten a first-time assignment to develop reports on OLAP cubes. It demonstrates how to build a report using SQL Server Reporting Views: 15583Comments: 12 |
Retrieving Data From Excel Using OPENROWSET()The purpose of this article is to demonstrate how to retrieve data from an Excel sheet and put it in a table in a SQL Server database. Introduction Anyone who's ever used a computer for a significant amount of time has probably come into contact Views: 15468Comments: 6 |
MFC Feature Pack for VS 2008 and 2010In this article, I'll describe -- and show pictures of -- some of the significant additions that have been made available to programmers in the MFC Feature Pack for Visual C++ 2008. These same feature are in the MFC libraries that come with Visual Views: 15030Comments: 7 |
AjaxControlToolkit’ TabContainer control’ Javascript functions.In this blog we will start with a common requirement for the tab container control i.e. setting focus to a tab using javascript and later at the end of this blog we will also see some important javascript functions available with ASP.NET AJAX Tab Co Views: 14411Comments: 0 |
Calculating Distinct Counts in Accessby Patrick G. Matthews All major SQL dialects allow for a Count aggregate function, and Access's native Jet SQL is no exception. As in other database platforms, Access's Count() (as well as the "domain aggregate" DCount()) function returns t Views: 13412Comments: 18 |
ASP.NET : Mobile Device Detection and RedirectionThis article explains approaches for ASP.NET mobile development to determine if an HTTP request is coming from a mobile phone and then redirecting the request to a page optimized for a mobile browser. Examples in below article are in c#.net Me Views: 11867Comments: 34 |
Use AJAX ModalPopupExtender in GridView or other data controlsAJAX ModalPopupExtender has a required property "TargetControlID" which may seem to be very confusing to new users. It means the server control that will be extended by the ModalPopup, for instance, if when you click a button, a ModalPopup displays, Views: 11657Comments: 2 |
Adding an Else to your SwitchIn this short article I will be talking about two functions in the SQL Server Reporting Services (SSRS) function stack. Those functions are IIF() and Switch(). And I'll be showing you how easy it is to add an Else part to the Switch function. T Views: 10288Comments: 7 |
How to Mimic the T-SQL IsNumeric() Function in MySQLIn database programming, custom sort order seems to be necessary quite often, at least in my experience and time here at EE. Within the realm of custom sorting is the sorting of numbers and text independently (i.e., treating the numbers as number Views: 9737Comments: 28 |
Hide/Show Validator Callout Control Using JavascriptIn this article we will see how to show and hide a ASP.NET AJAX’ (AJAXControlToolkit) ValidatorCalloutExtender control using Javascript. Below is an .aspx page with a validator callout control. <%@ Page Language="C#" AutoEventWireup="true" CodeF Views: 9706Comments: 16 |
Dynamic Pivot Procedure for SQL Serverby Mark Wills PIVOT is a great facility and solves many an EAV (Entity - Attribute - Value) type transformation where we need the information held as data within a column to become columns in their own right. Now, in some cases that is relatively Views: 9595Comments: 16 |
Expanding a Hierarchical Data StructureIntroduction One of the earliest concepts learned by database developers is parent-child (one-to-many) relationships. These relationships are integral in countless database applications. A purchase request containing one or more items ordered i Views: 8701Comments: 42 |
Chart Optimization TipsHere are some optimization techniques that can be used when creating charts in SQL Server 2008 Reporting Services. These tips will probably be already known to experienced chart developers, but freshmen charters may spent some time searching how to Views: 8659Comments: 14 |
Simple Linear Regression in MS Accessby Patrick G. Matthews Introduction Linear regression analysis is a common statistical technique used to infer the possible relationships between a dependent variable and one or more independent variables. While Microsoft Access does not Views: 8189Comments: 13 |
Working with Modal Popup extender control.This article discusses the ASP.NET AJAX ModalPopupExtender control. In this article we will show how to use the ModalPopupExtender control, how to display/show/call the ASP.NET AJAX ModalPopupExtender control from javascript, how to show/display/cal Views: 8168Comments: 24 |
Building a Formless WinForms Application with a NotifyIcon in VB.Net 2008This tutorial demonstrates one way to create an application that runs without any Forms but still has a GUI presence via an Icon in the System Tray. The magic lies in Inheriting from the ApplicationContext Class and passing that to Application.Ru Views: 8133Comments: 20 |
"Domain Aggregate" for Concatenating Values by Group in Microsoft Accessby Patrick G. Matthews A common request in the various database zones at Experts Exchange involves returning a concatenated list of the various items in ColumnB for each distinct value in ColumnA from a particular table or query. For example Views: 7941Comments: 21 |
Radio Buttons in MFC DialogsHere is how to use MFC's automatic Radio Button handling in your dialog boxes and forms. Beginner programmers usually start with a OnClick handler for each radio button and that's just not the right way to go. MFC has a very cool system for handli Views: 7727Comments: 1 |
Steps to solve SSRS SQL 2008 R2 User Access Control (UAC) Permission ErrorSteps to solve SSRS SQL 2008 R2 User Access Control (UAC) Permission Error With the introduction of SQL Server 2008 R2 and Vista (Windows 7 as well) came new enhanced security features. One of the features included was User Access Control (UAC) t Views: 7595Comments: 6 |
Output an XML type attribute using DataContractThis tutorial will show you how to add an attribute to an XML stream returned from a Windows Communication Foundation (WCF) Web Service. Some knowledge of WCF and XML is required; the code is in C#. Below is an XML sample of an attributed XML stre Views: 7372Comments: 39 |
PIVOT Transformation - SSIS - Complete TutorialSometimes, you need to use PIVOT in SSIS to ensure your data matches the output requirements of your users. So, what is PIVOT and what is SSIS and how can that help ? Firstly a quick explanation of those acronyms as described by Microsoft : Mi Views: 6922Comments: 9 |
Analytical SQL : Where do you rank?"Top 10 customers by salesperson" sound familiar? Yes! I would expect so, and am sure there are a number of other great business analyses with a similar principle now flowing through your mind. So, how do you query this data in your SQL system? Views: 6882Comments: 27 |
Delimited String Parsing in SQL Server 2005 and laterThis article will describe one method to parse a delimited string into a table of data. Why would I do that you ask? Let's say that you need to pass multiple parameters into a stored procedure to search for. For our sake, we'll say that we wa Views: 6771Comments: 8 |
Covariance and Correlation in MS Accessby Patrick G. Matthews Introduction Access provides functions for computing several common descriptive aggregate statistics for column data, offering such aggregate functions as Count, Sum, Min, Max, standard deviation and variance (StDev, Views: 6419Comments: 23 |
SARGable functions in SQL ServerThis is basically a blog post I wrote recently. I've found that SARGability is poorly understood, and since many people don't read blogs, I figured I'd post it here as an article. SARGable is an adjective in SQL that means that an item can be fou Views: 6357Comments: 6 |
Encryption - Decryption in SQL Server 2008 and backup database with encrypted data and restore it somewhere else.Long way back, we had to take help from third party tools in order to encrypt and decrypt data. Gradually Microsoft understood the need for this feature and started to implement it by building functionality into SQL Server. Finally, with SQL 2008, Views: 6344Comments: 13 |
Connect to your SQL ServerIf you are already familiar with all the terms, you can skip this section. Anyone else just read on for the quick introduction of the terms that are important to know and distinguish, when troubleshooting SQL server login issues. First, the pur Views: 6228Comments: 20 |
Dlookup and the Domain FunctionsApplies to: All versions of Access Skill Level:Beginner One of the common questions we see in the Access zone is how to get a value from a table. One way to do that is with a set of built-in functions called Domain functions. These functio Views: 6183Comments: 17 |
Updating a Splash Screen with Loading Progress in a VB.Net WinForms ApplicationSince .Net 2.0, Visual Basic has made it easy to create a splash screen and set it via the "Splash Screen" drop down in the Project Properties. A splash screen set in this manner is automatically created, displayed and closed by the framework itsel Views: 6127Comments: 14 |
Getting Your Application Kinect-edFor those of you who don't follow the news, or just happen to live under rocks, Microsoft Research released a beta SDK for the Xbox 360 Kinect. If you don't know what a Kinect is, then I will assume you do indeed live under a rock. The Xbox 360 peri Views: 5963Comments: 30 |
Migrating from VSS 2005 to TFS 2010 using VSSConverter -- Missing InstructionsIf you have have been using Visual Studio 2008 with VSS and are now migrating to Visual Studio 2010 and Team Foundation Server, you may need to migrate your VSS data to TFS. Microsoft has made VS 2010 TFS available to VS2008 with MSDN subscribers a Views: 5815Comments: 2 |
Speedier Execution of Stored Procedures in SQL ServerI started a new job about six months ago, and with that job I inherited a mission-critical SQL Server 2005 database with over 800 stored procedures and tens of millions of records. I also inherited what appeared to be a growing problem: certain of Views: 5710Comments: 35 |
Simple ASP.NET download pageDownload the code and data for this sample application. There are times when you need to track downloads of a particular resource from your server. While IIS maintains logs of each HTTP request, it would be painful to use them to track downloads Views: 5649Comments: 10 |
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