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changing properties of many labels

Posted By:      Posted Date: August 30, 2010    Points: 0   Category :ASP.Net
I'm very new to this!   I have several labels. they have ID's like "lblSun_Rm1_0530" or "lblSun_Rm1_0600" they are labeled to represent days, room #'s and times, so you can see how they would change up.  I'm looking to see how I could change all labels from one day and one room to say a white background. I would need to change all labels titled "lblSun_Rm1_(x)" where x would be the time.  I hope I explained this ok, any ideas? 

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