InstantForum.NET v2.9.0SQLServerCentralhttp://www.sqlservercentral.com/Forums/notifications@sqlservercentral.comMon, 20 May 2013 18:57:31 GMT20http://www.sqlservercentral.com/Forums/Topic669930-227-1.aspxHi I am working on SSRS chart report.I am trying to add Custom color palatte to reportFor this i am using below code Private colorPalette As String() = {"Green", "Blue", "Red", "Orange", "Aqua", "Teal", "Gold", "RoyalBlue", "MistyRose", "LightGreen", "LemonChiffon", "LightSteelBlue", "#F1E7D6", "#E16C56", "#CFBA9B"} Private count As Integer = 0 Private mapping As New System.Collections.Hashtable() Public Function GetColor(ByVal groupingValue As String) As String If mapping.ContainsKey(groupingValue) Then Return mapping(groupingValue) End If Dim c As String = colorPalette(count Mod colorPalette.Length) count = count + 1 mapping.Add(groupingValue, c) Return c End FunctionI copied it from below MSDN linkhttp://msdn.microsoft.com/en-us/library/aa964128.aspxCode is giving below error[BC42104] Variable 'c' is used before it has been assigned a value. A null reference exception could result at runtime.Please help me to rectify this.Thu, 05 Mar 2009 22:09:14 GMTshilpadixit