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For the interests of brevity, I'm showing only the relevant code (it's a 4000+ LOC file I've been given). Is it possible that the op_Id value is being set to null by the stored procedure? It is well stated.Success Cor Tuesday, June 07, 2016 10:23 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. TOP MEMBERS MOST VIEWED LEGENDS NOW PRIZES Hosted By CBeyond Cloud Services ABOUT US FAQ MEDIA KIT MEMBERS STUDENTS LINKS PRIVACY POLICY TERMS & CONDITIONS SITEMAP CONTACT US ABOUT US REPORT have a peek here

Secondly, we like to keep replies to post done recently, not several months or several years back in time as this post was done in 2012.Please remember to mark the replies Please let me know your feedback Thanks Hello, Two things, when posting code in this forum, only post VB.NET, not C#. Add-in salt to injury? Join our community for more solutions or to ask questions. his explanation

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

Intelligence you can learn from, and use to anticipate and prepare for future attacks. Source:MSDN Actual Code which I faced error: Before changed the code: if( ds.Tables[0].Rows[0][0] == null ) // Which is not working { seqno = 1; } Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use. So even if you did: int?

Reply babuji_godem None 0 Points 53 Posts Re: Object cannot be cast from DBNull to other types Feb 26, 2009 02:07 AM|babuji_godem|LINK if (CmdNew.ExecuteScalar() != DBNull.Value) { Cnt = I am handling all nulls in store procedure and in the C# code. Posted 22-Nov-13 1:19am srihari1904592 Updated 26-Sep-16 1:20am Add a Solution 5 solutions Top Rated Most Recent Rate this: Please Sign up or sign in to vote. Object Cannot Be Cast From Dbnull To Other Types In Mvc 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

When answering a question please: Read the question carefully. Object Cannot Be Cast From Dbnull To Other Types Sql Server The SitePoint Forums have moved. Any other recipient (variable) associated with NULL will become NULL as well. Not the answer you're looking for?

decimal getTotalValue(GridView view, int listSourceRowIndex) { decimal unitPrice = Convert.ToDecimal(view.GetListSourceRowCellValue(listSourceRowIndex, "Each")); //Object cannot be cast from DBNull to other types decimal quantity = Convert.ToDecimal(view.GetListSourceRowCellValue(listSourceRowIndex, "Quantity")); decimal discount = Convert.ToDecimal(view.GetListSourceRowCellValue(listSourceRowIndex, "TaxPercentage")); return Object Cannot Be Cast From Dbnull To Other Types Datatable How can I avoid being chastised for a project I inherited which was already buggy, but I was told to add features instead of fixing it? All the datatype that are "value types" (struct) don´t accepts null values. Privacy Policy Site Map Support Terms of Use Sign in Gallery MSDN Library Forums Get started for free Ask a question Quick access Forums home Browse forums users FAQ Search related

Object Cannot Be Cast From Dbnull To Other Types Sql Server

What is the definition of "rare language"? https://forums.asp.net/t/1131686.aspx?Object+cannot+be+cast+from+DBNull+to+other+types Is it acceptable to ask an unknown professor for help in a related field during his office hours? Object Cannot Be Cast From Dbnull To Other Types In C# Net The example below is not a genuine solution for the issue you have, but is an example of how you can go about solving it. Object Cannot Be Cast From Dbnull To Other Types In C# Datetime Not the answer you're looking for?

Join the community of 500,000 technology professionals and ask your questions. navigate here asked 2 years ago viewed 26070 times active 2 years ago Related 1Object cannot be cast from DBNull to other types Entity Framework21Object cannot be cast from DBNull to other types10“Object Browse other questions tagged c# datarow or ask your own question. If you get stuck you can get support by emailing [email protected] If this is your first visit, be sure to check out the FAQ by clicking the link above. Object Cannot Be Cast From Dbnull To Other Types. Gridview

Reason for the error: In an object-oriented programming language, null means the absence of a reference to an object. Apr 20 2015 3:50 AM Hi guys i have problemFirstly this is all my codeFunctionMaxTotalQuantitypublic int MaxTotalQuantity(string ConnectionString) { SqlConnection con = new SqlConnection(ConnectionString); SqlCommand cmd = new SqlCommand(); cmd.Connection = year; if you have using .NET 2). http://electrictricycle.net/cannot-be/cannot-be-cast.html Linux questions C# questions ASP.NET questions fabric questions SQL questions discussionsforums All Message Boards...

year = Convert.ToInt32(reader[0]); you'd still get an exception. System.invalidcastexception: Object Cannot Be Cast From Dbnull To Other Types That doesn't solve your problem but its a good practice to get in the habit of doing. –jlafay May 23 '11 at 14:58 add a comment| 5 Answers 5 active oldest So where is it getting this error?

Note: here i have used ternary ?: operator to write the whole thing in single line Solution: decimal result; decimal unitPrice =(decimal.TryParse(view.GetListSourceRowCellValue(listSourceRowIndex, "Each"),out result))?result:DBNull.Value; share|improve this answer edited Nov 22 '13

variablename Hopw this helps.. Why was Susan treated so unkindly? class Helper { public static T DBNullToValue(object val) { Type gt = typeof(T); if (val is System.DBNull) return (T)((object)0); if (gt == typeof(int)) val = Convert.ToInt32(val); else if (gt == typeof(double)) How To Solve Object Cannot Be Cast From Dbnull To Other Types iptables not dropping by IP and port?

Browse other questions tagged c# winforms devexpress or ask your own question. up vote 1 down vote favorite My code is this private MyCatch _catch = new MyCatch("Description"); decimal getTotalValue(GridView view, int listSourceRowIndex) { decimal unitPrice = Convert.ToDecimal(view.GetListSourceRowCellValue(listSourceRowIndex, "Each")); //Object cannot be cast You may have to register before you can post: click the register link above to proceed. this contact form NOTE: For Outlook 2016 and 2013 perform the exact same steps.

TOP MEMBERS MOST VIEWED LEGENDS NOW PRIZES Hosted By CBeyond Cloud Services ABOUT US FAQ MEDIA KIT MEMBERS STUDENTS LINKS PRIVACY POLICY TERMS & CONDITIONS SITEMAP CONTACT US ABOUT US REPORT You simple have to check if the value exist and then put a zero in it if you want to use it anyway. Solution 4 Accept Solution Reject Solution check your stored procedure and set variable as set @conducted=0 alter procedure dbo.usp_Batch ( @batchid int, @sturegno int, @intresult int output, @total int output, @conducted int output, All the datatype that are "value types" (struct) don´t accepts null values.*** I checked for NULLs in my data… found them and on my way to fixing them…..

http://documentation.devexpress.com/#WindowsForms/CustomDocument1477[^] but please check if you may add something like ".Value" or ".ToString" behind the request. Website Design Darlington - http://lessthandot.com - http://aspnetlibrary.com Reply mgodoy_desen... Dawood Abbas 1.1k 212 34.1k Object cannot be cast from DBNull to other types. I changed one method signature and broke 25,000 other classes.

Thanks…!!!! ‹ Previous Thread|Next Thread › This site is managed for Microsoft by Neudesic, LLC. | © 2016 Microsoft. 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 Am new to c# help me. –Sri Hari Nov 22 '13 at 12:23 @SriHari I will explain. –Ondrej Janacek Nov 22 '13 at 12:23 @SriHari ..Please see share|improve this answer edited Sep 25 '12 at 14:27 answered Aug 7 '12 at 10:05 TZHX 2,94982647 add a comment| Your Answer draft saved draft discarded Sign up or log

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The solution to allow null is , declare the variable as nullable types that means they are capable of accepting null values. But i am not understanding which line in the following create() getting the error. Login using Answers In Focus DOWNLOAD: C# Corner Android App Version 0.5.4 Why Developers Should Focus On Communication LEARN: How to become a Microsoft MVP C# Corner Annual please help me to solve this error.

Sign in using Search within: Articles Quick Answers Messages Use my saved content filters home articles Chapters and Sections> Search Latest Articles Latest Tips/Tricks Top Articles Beginner Articles Technical Blogs Posting/Update if (dr["STAGE"] is DBNull) { dto.Stage = 1; // This is the line throwing the exception, according to stack trace } else { dto.Stage = Convert.ToInt32(dr["STAGE"]); } Here, dr is a Login using Answers In Focus DOWNLOAD: C# Corner Android App Version 0.5.4 Why Developers Should Focus On Communication LEARN: How to become a Microsoft MVP C# Corner Annual In a company crossing multiple timezones, is it rude to send a co-worker a work email in the middle of the night?