troubleshooting Question

What the meaning of "if (MaterialID.IndexOf("%")>-1)"

Avatar of Rama Tito
Rama TitoFlag for Malaysia asked on
Microsoft SQL Server 2005
3 Comments2 Solutions283 ViewsLast Modified:
Please do elaborate the meaning of  "if (MaterialID.IndexOf("%")>-1)". What means of indication of "%" and  -1 as well.
if (MaterialID.IndexOf("%")>-1)
					strCommand ="select top 2000  ID,OrderNumber,PartNumber,Weight,DONumber,MaterialType,Receiveddate,MaterialNumber as MaterialCode,supplier,VesselName,StorageLocation,Status,ReceivedBy,ApprovedBy,Remarks   from rawMaterial where  " + dateCondition +  " and ID like '" + MaterialID +"'and materialtype not like '%sheet%' order by " + sortType;
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