Modifying Hashtable values

[John Meredith via .NET 247]

Hi all,

I used all your info to come up with the following conclusion when I needed to modify my Hashtable object.

1) Create an ArrayList from the Hashtable keys so that we have something to iterate around without involving the Hashtable.
2) Use a foreach or a for loop to iterate around each ArrayList item and change the Hashtable values as we need.

ArrayList keyList = new ArrayList(myHashTable);
for (int i=0; i < myHashTable.Count; i++)
{
string key = (string)keyList[i];
myHashTable[key] = "Change" + i;
}

This assumes that the Hashtable values are string objects but of course they can be any object!
Hope this helps.

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From: John Meredith

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Posted by a user from .NET 247 (http://www.dotnet247.com/)

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