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Value cannot be null. Parameter name: inputString Printed From: Crystal Reports Book Category: Crystal Reports for Visual Studio 2005 and Newer Forum Name: Writing Code Forum Discription: .NET programming API, report integration URL: http://www.crystalreportsbook.com/forum/forum_posts.asp?TID=11754 Printed Date: 02 May 2024 at 3:58am Topic: Value cannot be null. Parameter name: inputString Posted By: Jamilee Subject: Value cannot be null. Parameter name: inputString Date Posted: 30 Nov 2010 at 10:08pm Hi, I am using Crystal Reports 2008 and Microsoft Visual Studio 2008. When page load, the CrystalReportViewer will display the report with parameter branch and date but after i click the update button, the CrystalReportViewer will display the error -  Value cannot be null. Parameter name: inputString. Anyone know what is this error, I do not know how to solve it, anyone can help me? Thanks. ------------- Jamilee

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