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VS 2010 configuration transformation produces unwanted white space during deployment

开发者 https://www.devze.com 2023-01-08 01:20 出处:网络
I use the new VS 2010 configuration transformations to deploy websites. To replace a single setting开发者_如何转开发 of my ApplicationSettings I use the following configuration transformation:

I use the new VS 2010 configuration transformations to deploy websites. To replace a single setting开发者_如何转开发 of my ApplicationSettings I use the following configuration transformation:

<setting name="TempPath" serializeAs="String" xdt:Transform="Replace" xdt:Locator="Match(name)">
    <value>C:\TEMP</value>
</setting>

Remark: There is no white space between C:\TEMP and the end tag

This transformation results in a setting with unwanted white space like this:

<setting name="TempPath" serializeAs="String">
    <value>C:\TEMP
    </value>
</setting>

If I use this setting without trimming it, I get faulty behaviour.

Any idea?


This is a known problem of VS 2010. According to Microsoft it will be fixed for the service pack and next release.

Update

The final release of the SP1 solves this problem. Workarounds to remove unwanted line feeds are no longer necessary.


I just wanted to mention that there is a workaround posted on the MS connect issue page by john.rummell which worked flawlessly for me. Just add this to your project:

internal sealed partial class Settings
{
    public override object this[string propertyName]
    {
        get
        {
            // trim the value if it's a string
            string value = base[propertyName] as string;
            if (value != null)
            {
                return value.Trim();
            }

            return base[propertyName];
        }
        set { base[propertyName] = value; }
    }
}


The Xml formatting makes the space. as the content of an XML tags do not care about line breaks and whitespaces. if you want to have string values, i would strongly recommend to put it into attributes, instead of InnerValue

<setting name="TempPath" value="C:\TEMP">
</setting>
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