Object reference not set to an instance of an object; null?

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Object reference not set to an instance of an object. Dropdownlist

I'm getting the following error: Object reference not set to an instance of an object. Server Error in '/WebSite3' Application. Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Here is my code Partial Class frmChoseIncident Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As...

Answer:

I am not 100% sure what you are trying to do with the ddlist, but if I understand it, you want to update...

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Object reference not set to an instance of an object.?

I tried to show my Form2 by calling Form2.Show() but it says Object reference not set to an instance of an object. What do I do? Form2 code below: Public Class Form2 Dim location_rock As Integer = RectangleShape1.Location.Y Private Declare Sub Sleep...

Answer:

statements like this could be the cause: location_rock = location_rock + 2 if location_rock had a null...

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Object reference not set to an instance of an object in c#?

I am learning c#.net in home and learn site.my code System.Data.OleDb.OleDbConnection con; System.Data.OleDb.OleDbDataAdapter da; DataSet ds; private void Form1_Load(object sender, EventArgs e) { con = new System.Data.OleDb.OleDbConnection(); con.ConnectionString...

Answer:

What that means is something in ds.Tables[0].Rows[0]; is not set (or null) So either, the dataset is...

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What do you do when a box comes up that says object reference not set to an instance of object?

Answer:

in vb.net dim xyz as myclass=new class or dim xyz as new myclass you might have missed the new key word...

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How avoid error "Object reference not set to an instance of an object"? asp.net c#.

Answer:

You must ensure that you have declared a definition of each control you're referencing on the .aspx...

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What does this mean?: Object reference not set to an instance of an object

Answer:

Cause one: Not declaring variables!

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C++ hashing table in data structure

QUESTION: Hello..Zlatko,, I have some question to ask you regarding my project question. This is the question : Write a program to perform hash table using two different hashing functions and two different resolution methods to solve the collision...

Answer:

Hello Wale. I wrote a sample hash program in the hope that it will be useful to you. The hash table...

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Is it possible to travel faster than light with respect to the reference frame of space as long as you do not?

exceed the speed of light in reference to...don't know how to word it in a simple manner. Anyways, so the other day I was drunk and high when I had a series of thoughts: 1. it is impossible for ONE SINGLE OBJECT to exceed the speed of light... 2. but...

Answer:

I have to admit I only read the beginning and end of this. To answer your very last question, yes, you...

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Reference cannot be null it has to point a data type.?

A reference cannot be null it has to point a data type. True False The object code of our program is combined with (a)Source program (b)Machine code of the operating system (c)Object code of the library functions. (d)With header files The-----------...

Answer:

True With header files Null

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How do you get DirectX 7 for VB to give you access to the object behind that 'unknown' interface?

Is There a way to use the DirectX7 object provided by VB without creating a reference to the DirectX7 for VB Library in your project. I am a huge fan of COM Automation and scripting and I'd prefer not to reference ANYTHING in any of my VB projects. When...

Answer:

Let's resolve this overdue question by bringing it to a vote.

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