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Member Avatar for jamshed ahmed

I just want to delete if column qty contains value 0 then delete that row but i get error after delte six records it says object refrence not set to instance there are total 12 records it delts six record without error For i As Integer = 0 To dt.Rows.Count …

Member Avatar for Reverend Jim
0
385
Member Avatar for Dudestreet

Hi Team, I was wondering if I am the only one who is not able to do it or what. Well, as the title suggests, I would like to OPen Excel in vb.net. I was able to find end number of articles online on this but none would help. It …

Member Avatar for Dudestreet
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5K
Member Avatar for Nebil

Hi guys, I just got into a little problem.I just deployed an application with backend db access.It works fine on major OSs being used like win7 and XP. But some functionality related to the database doesn't work properly when deployed on win8. I used a code to delete temp table …

Member Avatar for Nebil
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1K
Member Avatar for Satyam_1

I have vb.net application with MDF-Sql database. I retrieves data from Table in MDF-Sql into datagridview by TableAdaptermanager/binding navifator. Although it displays data but when I want to save by this code, its not working.This code is working in vb.net with OleDb application but not here. Is there any another …

Member Avatar for samir_ibrahim
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705
Member Avatar for Gus_19

I am having trouble getting a correct response when searching through each of my datarows. While stepping through during debugging, I am seeing the boolean response is getting triggered even if one row does not match my selected string. I just want to search all of the rows and if …

Member Avatar for PerplexedB
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233
Member Avatar for renzlo

This is the scenario: I have one table (main_tbl) with columns RECID(primary key),JOBNAME(text),STATUS(text). Now, I created an application that will query to the database and get one jobname and update the status. How can I make sure that multiple users wont get the same jobname when they executed the query …

Member Avatar for Begginnerdev
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395
Member Avatar for vbshad

can anyone help me regarding this??..i have here the code to get the new last record after deleting the last record...but i encountered an error saying... "An unhandled exception of type 'System.IndexOutOfRangeException' occurred in System.Data.dll Additional information: locid, make sure data column names are correct, ,make sure the index is …

Member Avatar for samir_ibrahim
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131
Member Avatar for Start4me

What I have is a listbox with items imported from the database. From the Data Sources (Shift+Alt+D) I've dragged a table in the form of Details, instead of DataGridView. What I'm trying to figure out, is how to make the information to be displayed in the Details when an item …

Member Avatar for Start4me
0
275
Member Avatar for samir_ibrahim

Hi I have a dataset created programatically and I want to use this dataset to bind it to Microsoft ReportViewer. I tried the Microsoft ReportViewer with DataSet created at design time and it works well. I have searched a lot and this is the best thing I can find but …

Member Avatar for savedlema
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1K
Member Avatar for aishapot

Sub filllist() strsql = "select * from tabletest" ListView1.Items.Clear() sqlcmd.CommandText = strsql sqlcmd.Connection = sqlconn sqldr = sqlcmd.ExecuteReader() [B] sqlda.SelectCommand = sqlcmd -- the error is pointing here and it say NullReferenceException was handled then Object reference not set to an instance of an object. How do i solve this? …

Member Avatar for neeturathi
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396
Member Avatar for babbu
Member Avatar for mikejs

Hi I have used the following code to populate a DataGrid based on the contents of a textbox. the users searches for a name which is populated into a combobox based on the name in the combobox several textboxes are populated with data based on the data in one of …

Member Avatar for Zeth643
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148
Member Avatar for johmolan

I have 2 subs in my class. I need to use the values in the variables in the first sub in my second sub. like this. [CODE] Public sub test1() Dim one as double = 12 Dim two as double = 10 end sub Public sub test2() Dim three as …

Member Avatar for samir_ibrahim
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93
Member Avatar for bklynman01

This one has me stumped. I feel like it is something really simple, but I can't figure it out. I have a combobox that is triggering the population of some checkboxes depending on the user mode. For some reason, when I put a MsgBox() at the beginning of the function, …

Member Avatar for bklynman01
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325
Member Avatar for shashikanth

I am new to VB.net. I want to start with small project on VB.net. User will we working on client system. Please help me how to start.

Member Avatar for formulav8
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260
Member Avatar for nokomoli

Hi guys, i am facing problem when i need to create an excel file and insert some data inside. Can anyone help me? i am using vs 2005 and excel 2003.

Member Avatar for Nikita Jetani
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2K
Member Avatar for acxes

Hello, I am working on my new project and I need to create a table for each user dynamically. In which the user will provide the Table name in the textbox and on pressing Create button a new table gets created in the same MS access database file with the …

Member Avatar for aydinozdemir
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2K
Member Avatar for vasaviam

How to run a command of MS DOS with code through visual basic 6.0 for ex. setting the path, zip and unzip files etc. and also the commands of Visual Foxpro Databasese through VB.

Member Avatar for VBzambo
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2K
Member Avatar for mikel07

How insert , Edit and update data in datagrid? Im using visual basic 2008 express. please help me. thanks.

Member Avatar for sreeatkl
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88
Member Avatar for vsraju

IS there a way of generating reports from VB6 ( not through Data Reports & Crystal Reports ) which directly sends to a local printer and printing should be done fast, No matter what ever may be the font.

Member Avatar for astonvic
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152
Member Avatar for TomB1988

Hi there, The program in hand must retrieve a bunch of data from an SQL Database (currently stored in a DataTable), fiddle around with the data, and then upload the changed data to the same SQL database. Everything works fine at the mo apart from the final bit, uploading to …

Member Avatar for microdata
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138
Member Avatar for samir_ibrahim

Hi, Is there a way to comment multiple line of code in vb.net at once? means not inserting ' in front of each line in case i want to comment 20 lines that will be tedious job? TIA Samir Ibrahim

Member Avatar for kvprajapati
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232
Member Avatar for jackiejoe

I can insert into my table by the bindingnavigator and dragging textboxes straight from the DataSet entering them and saving. But I want to insert into the DataBase via code and in order to do this I have used the below code to connect. I use this code to test …

Member Avatar for samir_ibrahim
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92
Member Avatar for koolsamjust4u

Hi Friends .. need a small help can anyone help me in showing how to call a stored procedure which returns a recordset .. yea i need to pass one parameter also for getting that required data .. thanks in advance.. Sameer

Member Avatar for SANJAY.DESHMUKH
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Member Avatar for devz2k

hey there, i am creating a program, and i have text fields such as Customer Name, address, postcode, telephone email etc. and i also have a button 'add record' what do i have to code in add record to actualy save the records.. will i have to make a file …

Member Avatar for samir_ibrahim
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100
Member Avatar for Dani

I have gotten soooo many mixed opinions lately, and I was wondering what you guys thought of the current style. Please be brutally honest. I'm not talking about "It's missing a link in a convenient place" or little functional things that can easily be changed/added/removed. I'm talking about the color …

Member Avatar for feoperro
3
935
Member Avatar for ahmedlibrian

Hi guys, Anybody can help me out with this. I have made a DLL with VB.net. Under project settings i have marked checked 2 things 1. Register for COM interop 2. Make assembly COM visible When i build project its done successfully. Now i take DLL file from project location …

Member Avatar for kvprajapati
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499
Member Avatar for Maulth

Hey, thanks for taking a gander at this. I'm new to VB and VB.NET, and I'm not entirely sure what the difference between the two is, nor what I'm using. I feel like a complete squib, but that's basically it. I'm using MSVB 2008 Express edition, unto which I assumed …

Member Avatar for samir_ibrahim
0
222
Member Avatar for krajad

Hi all, Got a real pain of a problem. Im using vb.net to write a dll for third party software (PreS) that has no COM interface but allows functionality to call DLL's. But it requires an entry point of UserInstruction. I have been doing some research and have found seen …

Member Avatar for krajad
0
165
Member Avatar for umairraja52

I want to learn VB or VB.net and want to use for my website (ASP.net) So which language should i learn first which help to create my website and which one is easy to Learn. Waiting for experts replies. Thanks

Member Avatar for Vineeth K
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