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Adding Custom Code in SSRS Chart Report


Adding Custom Code in SSRS Chart Report

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shilpadixit
shilpadixit
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Hi
I am working on SSRS chart report.I am trying to add Custom color palatte to report
For 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 Function
I copied it from below MSDN link
http://msdn.microsoft.com/en-us/library/aa964128.aspx
Code 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.
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