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Cannot Be Cast From Dbnull To Other Types

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In both program languages by using DBNull.Value The coincidence is that this is one of the occasions where VB and C# have relative slightly different code because of the meaning of Are “Referendum” and “Plebiscite” the same in the meaning, or different in the meaning and nuance? To Guard against it use the Convert.IsDBNull method. userType = Convert.ToInt16(oCmd.Parameters["SUSER_TYPE"].Value); here i want to check != System.DBNull.Value what to write for this... Source

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Object Cannot Be Cast From Dbnull To Other Types Sql Server

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My manager said I spend too much time on Stack Exchange. Object Cannot Be Cast From Dbnull To Other Types In C# Datetime DBNull represents an uninitialized variant or nonexistent database column. Join our community for more solutions or to ask questions. http://www.codeproject.com/Questions/397809/Object-cannot-be-cast-from-DBNull-to-other-types If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem.

All contents are copyright of their authors. System.invalidcastexception Object Cannot Be Cast From Dbnull To Other Types share|improve this answer answered May 23 '11 at 14:39 Daniel Hilgarth 116k23187288 add a comment| up vote 0 down vote TryParse is usually the most elegant way to handle this type Replace the code in the while loop with the following: debit = 0; credit = 0; if (!object.ReferenceEquals(dr(0), DBNull.Value)) { debit = Convert.ToDouble(dr(0)); //exception } if (!object.ReferenceEquals(dr(1), DBNull.Value)) { credit = Dawood Abbas 1.1k 212 34.1k Object cannot be cast from DBNull to other types.

Object Cannot Be Cast From Dbnull To Other Types In C# Datetime

Which Database are you using? –Adriaan Stander Sep 14 '12 at 3:59 I am using sql server 2005, i am checking for a duplicate email value and after that http://www.codeproject.com/Questions/686283/Object-cannot-be-cast-from-DBNull-to-other-types-e Sandeep Mewara 5-Jun-12 9:32am Thanks. Object Cannot Be Cast From Dbnull To Other Types Sql Server Permalink Posted 22-Nov-13 1:35am Nooa776 Updated 22-Nov-13 1:36am v2 Rate this: Please Sign up or sign in to vote. Object Cannot Be Cast From Dbnull To Other Types. Gridview Your Email Password Forgot your password?

Join & Write a Comment Already a member? this contact form Error when a null value is read by the Reader Visual Studio Languages , .NET Framework > Visual Basic Question 0 Sign in to vote double debit = 0, credit = View All Messages No new notifications. year; if you have using .NET 2). Object Cannot Be Cast From Dbnull To Other Types In Mvc

View All Comments No new messages. Assigning a unique representation to equivalent circular queues Add-in salt to injury? Is it unethical to poorly translate an exam from Dutch to English and then present it to the English speaking students? have a peek here double and DateTime are non-nullable, so checking them for null will always be false...

object cannot be cast from dbnull to other types Advertise | Privacy | Mobile Web02 | 2.8.161101.1 | Last Updated 5 Jun 2012 Copyright © CodeProject, 1999-2016 All Rights Reserved. How To Solve Object Cannot Be Cast From Dbnull To Other Types I can see the error in the catch block. Do you need your password?

Values of these types can never be null and will therefore never pass the if (value == null) condition. –Anthony Pegram May 23 '11 at 14:35 Unless they're made

Understand that English isn't everyone's first language so be lenient of bad spelling and grammar. Connect with top rated Experts 15 Experts available now in Live! Thanks…!!!! ‹ Previous Thread|Next Thread › This site is managed for Microsoft by Neudesic, LLC. | © 2016 Microsoft. Object Cannot Be Cast From Dbnull To Other Types Ssis Solved Object cannot be cast from DBNull to other types Posted on 2012-05-23 ASP.NET MS SQL Server 2005 C# 1 Verified Solution 2 Comments 2,538 Views Last Modified: 2012-05-23 I am

Contact Us Privacy Policy Terms & Conditions About Us ©2016 C# Corner. Contact Us Privacy Policy Terms & Conditions About Us ©2016 C# Corner. Replace the code in the while loop with the following: debit = 0; credit = 0; if (!object.ReferenceEquals(dr(0), DBNull.Value)) { debit = Convert.ToDouble(dr(0)); //exception } if (!object.ReferenceEquals(dr(1), DBNull.Value)) { credit = http://electrictricycle.net/cannot-be/cannot-be-customized-for-iserializable-types.html See more: C# DevExpress Hi, My code is this i dono what's my error, Please help me.

You are getting this error because in your sp this parameter hasn't been assigned a value. Add a check for that like this var outputParam = dataAccCom.GetParameterValue(IDbCmd, "op_Id"); if(!(outputParam is DBNull)) DataTO.Id = Convert.ToInt64(outputParam); Permalink Posted 26-Sep-16 1:20am Member 12390161410 Updated 26-Sep-16 1:21am v2 Comments If I receive written permission to use content from a paper without citing, is it plagiarism? string value = view.GetListSourceRowCellValue(listSourceRowIndex, "Each") +"" ; decimal unitPrice; decimal.TryParse(value, out unitPrice); Permalink Posted 22-Nov-13 1:36am Karthik Bangalore60.4K Rate this: Please Sign up or sign in to vote.

pid.Value is DBNull ) { int res = Convert.ToInt32(pid.Value); } share|improve this answer edited Sep 14 '12 at 4:03 answered Sep 14 '12 at 3:52 Bart Verkoeijen 2,81922338 pid Linux questions C# questions ASP.NET questions fabric questions SQL questions discussionsforums All Message Boards... An Interface contains declarations of events, indexers, methods and/or properties. asked 4 years ago viewed 7782 times active 4 years ago Related 1Object cannot be cast from DBNull to other types Entity Framework21Object cannot be cast from DBNull to other types10“Object

If (var != DBNull.Value) Apr 9, 2009,02:59 #3 yogita View Profile View Forum Posts SitePoint Zealot Join Date Jan 2009 Posts 176 Mentioned 0 Post(s) Tagged 0 Thread(s) Originally Posted by General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ Related Sites Visual Studio Visual Studio Integrate VSIP Program Microsoft .NET Microsoft Azure Connect Forums Blog Facebook LinkedIn Stack Overflow Twitter Visual Studio Events YouTube Developer Resources Code samples Documentation Downloads