Index Out Of Range Error In C#
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring how to handle index out of range exception in c# developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question c# index was out of range must be non negative and less than the size of the collection x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join index out of range c# them; it only takes a minute: Sign up Preventing Index Out of Range Error up vote 6 down vote favorite I want to write a check for some conditions without having to use try/catch and I want to avoid the index was out of range. must be nonnegative c# possibilities of getting Index Out of Range errors if (array.Element[0].Object.Length > 0 || array.Element[1].Object.Length > 0) //making sure there's at least one Object array that has values { if (array.Element[0].Object[0].Item.Length != 0 || array.Element[1].Object[0].Item.Length != 0) //this is where I check that at least one of the Items (strings) is not empty { // execute code here } } So the problem I am facing is that in the second check I need to see whether I have one
Index Was Out Of Range Must Be Non Negative And Less Than The Size Of The Collection In Asp Net
Item that is not empty. However, If I don't have Element[1], I get the Index Out of Range exception. The problem is that there could be 2 Elements and one(or both) of them may have empty Object arrays. The code will have to be executed only if one of thos Item strings is not empty. Hopefully, I explained it well. How do I go about avoiding getting that exception under any condition? c# share|improve this question edited Apr 11 '12 at 20:46 asked Apr 11 '12 at 20:45 Victor 57151134 2 Why not use a List
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Index Out Of Range Exception In C# Gridview
Learn more about Stack Overflow the company Business Learn more about hiring developers index out of range exception was unhandled by user code in c# or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack must be nonnegative and less than the size of the collection parameter name index Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up index out of range exception in c# up http://stackoverflow.com/questions/10113680/preventing-index-out-of-range-error vote 0 down vote favorite This is my DataAccessLayer public string GetMinISecPer(ISecuritySummmary iSecObj) { try { string miniSecPer = null; SelectCommand cmd = new SelectCommand(SPConst.GetMinIsecPer); cmd["@SubISUName"] = iSecObj.SubISUName; using (DBDataReaderWrapper reader = cmd.Execute()) { while (reader.Read()) { double miniSecPercent = Convert.ToDouble(reader.String["testValue"]); miniSecPer = Convert.ToString(miniSecPercent); } } return miniSecPer; } catch (Exception e) { return ""; } } This is my Stored Procedure ALTER PROCEDURE [dbo].[GetMinIsecPer] @SubISUName varchar(max) http://stackoverflow.com/questions/24956365/index-out-of-range-exception-in-c-sharp AS BEGIN DECLARE @MinIsecPer float; DECLARE @testValue varchar(20); set @testValue='value'; set @MinIsecPer=(select MIN(iSecComplPer) from ISecurityStatistics IST left outer join Relationship R on R.Id=IST.RelationshipId left outer join SubISU SI on SI.Id=R.SubISUId where SI.SubISUName=@SubISUName and UploadedDate=(SELECT MAX(UploadedDate) FROM ISecurityStatistics)) set @testValue=(select cast(@MinIsecPer as varchar(20))) select cast(@testValue as varchar(20)) SELECT SQL_VARIANT_PROPERTY(@testValue, 'BaseType'), SQL_VARIANT_PROPERTY(@testValue, 'Precision'), SQL_VARIANT_PROPERTY(@testValue, 'Scale'), SQL_VARIANT_PROPERTY(@testValue, 'MaxLength') END and the output of my SP is (No column name) 72 (No column name) (No column name) (No column name) (No column name) varchar 0 0 20 In this SP iam getting the min% from the table ISecurityStatistics, subISU and Relationship are master tables to get the subISUName which iam passing as parameters to it. but in DataAccessLayer iam getting error as "Index out of range exception" Kindly help me out to fix the issue.. thanks in advance.. c# sql-server stored-procedures indexoutofrangeexception share|improve this question asked Jul 25 '14 at 13:01 Mythily 177 add a comment| 1 Answer 1 active oldest votes up vote 4 down vote accepted It's because you are trying to access the value by name even though no name has been set. Use either: reader[0].ToString() Or you could name the column: select cast(@testValue as varchar(20)) As [testValue] Then ca
resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community https://msdn.microsoft.com/en-us/library/system.indexoutofrangeexception(v=vs.110).aspx Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Samples Retired content We’re sorry. The content you requested has been removed. You’ll be auto redirected in 1 second. .NET Framework 4.6 and 4.5 .NET Framework Class Library System System IndexOutOfRangeException Class IndexOutOfRangeException Class IndexOutOfRangeException Class _AppDomain Interface AccessViolationException Class Action out of Delegate Action(T) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) Delegate out of range Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16) Delegate Action(T1, T2) Delegate Action(T1, T2, T3) Delegate Action(T1, T2, T3, T4) Delegate Action(T1, T2, T3, T4, T5) Delegate Action(T1, T2, T3, T4, T5, T6) Delegate Action(T1, T2, T3, T4, T5, T6, T7) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8) Delegate Action(T1, T2, T3, T4, T5, T6, T7, T8, T9) Delegate ActivationContext Class ActivationContext.ContextForm Enumeration Activator Class AggregateException Class AppContext Class AppDomain Class AppDomainInitializer Delegate AppDomainManager Class AppDomainManagerInitializationOptions Enumeration AppDomainSetup Class AppDomainUnloadedException Class ApplicationException Class ApplicationId Class ApplicationIdentity Class ArgIterator Structure ArgumentException Class ArgumentNullException Class ArgumentOutOfRangeException Class ArithmeticException Class Array Class ArraySegment(T) Structure ArrayTypeMismatchException Class AssemblyLoadEventArgs Class AssemblyLoadEventHandler Delegate AsyncCallback Delegate Attribute Class AttributeTargets Enumeration AttributeUsageAttribute Class BadImag