SSRS:The '@paramenterName ' parameter is missing a value

• The '@paramenterName' parameter is missing a value.
• It can happen when parameter contains value which is not in the data source of report.
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• for this you have to get value in parameter as field in report.
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•                                                                            ReportViewer1.ServerReport.GetParameters()["@paramenterName"].ValidValues.Select(t => t.Label).ToList().Distinct().ToList()