Today’s guide is designed to help you when you receive the error bc30451 name is not Declaration.
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BC30451 “VARIABLE” is not declared. Most likely, it will be unavailable due to the coverage level. Ask a question Asked4 years, 10 years ago Active4 years, 10 months left Vue17k times 7 I think I have an error regarding the password below.
The expression refers to a selection element, but the compiler cannot find an element with that exact name.
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Error BC30451
Check the spelling of the specific name in the link declaration. Visual Basic is case insensitive, but any case inaccuracy is treated as a positive distinguished name. Note that the accent (_) is the part name, and in this case the case part.
Ensure that the member access operator (.Between) is frequently used between the improbable object and its member. For example, if you have a TextBox TextBox1 control marked to access its Text property, you would use to get the TextBox1. body. If you use TextBox1Text instead, you’ve created a different name.
If our own notation is correct and the syntax is correct for every access to an object member, prove thatelement has been declared. See Declared Elements .
for more information.
BC30451 “MiscCode” not declared. It might not be available due to a certain level of protection that I tried, and also due to the “Import MiscCode” option at the top of each affected page, but this resulted in several other errors. First, this Imports statement was unnecessary and a simple error ensued.
If the element was declared to licensed users, the idea was checked to make sure it was in scope. If the assertion reference is outside the region in which the progress element is declared, the element name may need to be qualified. For more information, see Region in Visual Basic only .
If you don’t just use the full or member type and/or name (for example, your code sends a MethodInfo as.Name property instead of a System.Reflection.MethodInfo. Name), add an Imports .
statement
When prompted to compile, SDK-style remodeling (*.vbproj project starts with
NextThe following example fails because the Microsoft.VisualBasic.CompilerServices.Conversions.ChangeType method cannot be restored. It is not integrated into the part of the Visual Basic runtime that is in your valuable application.
Imports Microsoft.VisualBasic.Module compiler services.public example Sub Main (arguments of type String()) Dim originalValue As String = args(0) Dim t as Type = GetType(Int32) Dim you As Int32 = Conversions.ChangeType(originalValue, t) Console.WriteLine($"'originalValue' --> i") end underoutput moduleTo resolve this error, add the Default
project as a section, some of the following Visual Basic Show project files.
The statement refers to the show element, but the compiler cannot find an element with that exact address. Bug ID: BC30451. Check the punctuation of the name in the recommendation. Visual Basic is not case sensitive, but any other punctuation is considered a completely different name.
Default Exe vbruntime net472
Summary of declarations and constants Visual Basic Naming Conventions Declared element names References to declared elements
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<p>The instruction refers to a programming element, but some compilers cannot find an element with that name.</p>
<h2 id="15"><span class="ez-toc-section" id="To_Fix_This_Error"></span>To Fix This Error<span class="ez-toc-section-end"></span></h2>
<ol>
<li>
<p>Check the spelling of all names in the reference statement. Visual Basic is case insensitive, but other spellings are considered meaningful and completely different names. Note that the accent (<code>_</code>) is part of the name and therefore the spelling.</p>
</li>
<li>
<p>Check if anyone has a member access operator (<code>.Between</code>) of a wonderful object and its member. For example, if you have a <a>TextBox</a> tag named <code>TextBox1</code> to access its <a>Text</a> property, you would use <code>TextBox1. enter text</code>. If you and your family members type <code>TextBox1Text</code> instead, you indicate that you have created many types of names.</p>
</li>
<li>
<p>If the spelling and access format of a member is If the item is correct, check if the item has been reported. See <a>Declared Elements</a>.</p>
<p> for more information.</li>
<li>
<p>When someone declared their programming element, it was checked to see if it matched. If the statement part reference is outside the scope in which the main programming element is declared, you may need to specify the name of the element. For more information, see Tips, <a><br /><img decoding="async" src="/posts/error-bc30451-name-is-not-declared.png" style="margin-top:20px; margin-bottom:20px; width: 50%; height: auto; display: block; margin: 0 auto;" alt="error bc30451 name is not declared"></p>
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