Tumblr Mangles Developer Relations
Last week I logged on to Tumblr and was confronted with this abomination:
Missing e notice from tumblr. Way to encourage API development, guys.
Needless to say, this is pretty disturbing, and I wonder what Tumblr is thinking by posting this.
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Parent-Child DropDownList Controls In ASP.NET Web Forms (VB.NET)
Some time ago I promised a formspring anon I would do a tutorial on parent / child DropDownList controls in ASP.NET Web Forms. At long last, I’m delivering. (From here on out, I will use “DropDownList” and “select list” interchangeably.)
I’ll be demonstrating two different ways to accomplish this task, as well as a few variations on the first: First, binding with only SqlDataSource controls, which is by far the easiest way to proceed and will suffice for about 90 percent of applications; second, using code behind and CompareValidator controls, to cover all possible roadblocks.
Some notes before we proceed:
- I’ll use the ZIP Code database I’ve been using for a while as the back-end data. I also have a separate table of USPS state codes I’m using as the parent data, to help illustrate that you can use several tables / data sources to fuel this solution, provided the keys that relate the data make sense to each data store. In other words, you can use a lot of different sources for your data, so long as the data is relational.
- I’m going to use SQL Server, stored procedures and a connection string stored in my web.config file to access my data. I recognize that some people prefer to use SQL statements / LINQ and the like, or can only use Access / MySQL or other data stores. I really urge you to always use stored procedures, as they are way safer than inline SQL statements. As far as alternative data stores go, that should be a easy a fix as switching your code to use to the relevant ADO.NET ODBC classes, rather than the SQL Client classes.
- This solution should work for ASP.NET versions 2.0 forward.
Continue reading: Parent-Child DropDownList Controls In ASP.NET Web Forms (VB.NET) »
Hi Doug, “Sorting Your MySQL Results Set In PHP Using jQuery” is perfect for what I need, thanks.The cursor changes to an “I” beam rather than a hand when hovering over a column heading – can this be altered to show a hand for the clickable heading?
You can use CSS and the hover pseudoclass:
#sortedtable thead th:hover {
cursor: pointer;
}
also with auto hashtagging: if you have already a hashtag you get double hashtags…
Read the follow-up article.
I read your article about auto-hashtagging. Maybe you forgot when a to-be-tag is ending with a ‘.’ of ‘,’ or other punctuation…?
Seems that’s the case. Good catch! An easy fix is to simply run the input string through a regular expression that strips out the punctuation before exploding it into an array.
