apostrophe

DataTable select method with single quote conflict C#

烂漫一生 提交于 2019-11-27 06:52:24
问题 I recently found when I do a LINQ select under a field that contains an apostrophe, it makes my application to throw an exception. DataRow[] newDr = this.ds.Tables["TableName"].Select("Name = '" + drData["Name"].ToString() + "'"); If drData["Name"] = "The business's money" I got an exception of "Syntax error: Missing operand after 'S' operator " Can anyone tell me how to preserve it and no replace it or remove it, please? 回答1: You have to escape the single quote to 2 single quotes, there may

Mysql + php with special characters like '(Apostrophe) and " (Quotation mark)

淺唱寂寞╮ 提交于 2019-11-27 05:58:52
问题 I have been struggling with a small problem for a while. It's been there for years but it's just been an irritating problem and not a serious one, and I have just worked around it. But now I want to find out if anyone can help me. I have done some google'ing but no success. If I do a form post from a html textarea in a php file like this: <form action="http://action.com" method="post"> <textarea name="text"><a href="http://google.com">google's site</a></textarea> </form> and of course there

apostrophes are breaking my mysql query in PHP

青春壹個敷衍的年華 提交于 2019-11-26 23:22:59
问题 My database has name records that occasionally contain apostrophes, such as Joe's Bar and I've just coded a query script in PHP that grabs that field and sticks it into a select statement with the usual $query = "SELECT address FROM restaurants WHERE name='$name'"; and the apostrophe in some of the restaurant names derails the Love Train. How do I keep this from happening? Snide answer - Use the same technique you used when you inserted them INTO the database via PHP. Rebuttal - I was having

Is it correct to use single quotes for HTML attributes?

风格不统一 提交于 2019-11-26 15:50:25
问题 Recently I've been seeing a lot of this: <a href='http://widget-site-example.com/example.html'> <img src='http://widget-site-example.com/ross.jpg' alt='Ross's Widget' /> </a> Is it valid to use single quotes in HTML? As I've highlighted above it's also problematic because you have to escape apostrophes. 回答1: It's certainly valid to use single quotes (HTML 4.01, section 3.2.2). I haven't noticed such a trend, but perhaps there's some framework that powers web sites you've visited that happens

Calculating with the char variable in java

梦想的初衷 提交于 2019-11-26 11:39:45
问题 I have an assignment for school, and one of the tasks is to explain a lot of tiny calculations and explaining why java gives you the output it gives you.. and one of the calculations is: 1 + \'2\' + 3 which for me gives a lexical error, as the teacher used the wrong \"apostrophes\" for my system, but I\'ve talked to other fellow students and they told me they got an actual output, so I started reading about it, and found out that it is supposed to signify a char variable, and I also found out