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ERROR: the name 'lvSubCategories' does not exist in the current context


ERROR: the name 'lvSubCategories' does not exist in the current context

By : Boris Aksakov
Date : November 20 2020, 03:01 PM
help you fix your problem Because it is a Nested ListView you do no have direct access. You need to use FindControl. That can be used in the OnItemDataBound event of the ListView
code :
<asp:ListView ID="lvCategories" runat="server" OnItemDataBound="lvCategories_ItemDataBound">

protected void lvCategories_ItemDataBound(object sender, ListViewItemEventArgs e)
{
    ListView lvSubCategories = e.Item.FindControl("lvSubCategories") as ListView;

    lvSubCategories.DataSource = source;
    lvSubCategories.DataBind();
}
ListView lvSubCategories = lvCategories.Items[i].FindControl("lvSubCategories") as ListView;

lvSubCategories.DataSource = source;
lvSubCategories.DataBind();


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The name does not exist in the current context error

The name does not exist in the current context error


By : Kike
Date : March 29 2020, 07:55 AM
wish helps you , You need to call it this way :
code :
MainWindow.client.Connect(); 
error: Does not exist in the current context

error: Does not exist in the current context


By : Gabriel Cyr
Date : March 29 2020, 07:55 AM
To fix this issue SOURCE OF THE PROBLEM:
reader variable is outside the variable scope for the next statements after the try statement.
code :
        IDataReader reader = null;

        try
        {
            reader = dbcmd.ExecuteReader();
        }
        catch (InvalidOperationException ex2)
        {
            Console.WriteLine(ex2.Message);
        }
IDataReader reader = null;
IConnection dbconn = null;

try
{
    dbcon = ...
    reader = dbcmd.ExecuteReader();  

    while (reader.Read())
    {
        string roomID = (string)reader["RoomId"];
        string roomName = (string)reader["RoomName"];
        Console.WriteLine("Name: " +
                  roomID + " " + roomName);
    }        
}
catch (InvalidOperationException ex2)
{
    Console.WriteLine(ex2.Message);
}
finally
{
    // clean up
    if (reader != null)
        reader.Close();

    if (dbcmd != null)
        dbcmd.Dispose();
    // ...
}
 using (IConnection connection = new Connection...)
 {
    using (ICommand command = new Command...)
    {
       // Do processing
    }
 }
try
{
    using (IConnection conn = ...)
    {
    }
}
catch (Exception exc) // !!! Catching Exception and not something more specific may become a source of problems
{
    // Handle errors
}
The name 'Url' does not exist in the current context error

The name 'Url' does not exist in the current context error


By : mijward
Date : March 29 2020, 07:55 AM
Hope this helps As JeffB's link suggests, your helper file doesn't have access to the UrlHelper object.
This is an example fix:
Error The name 'inumber' does not exist in the current context - How does it not exist?

Error The name 'inumber' does not exist in the current context - How does it not exist?


By : Antonio C.
Date : March 29 2020, 07:55 AM
it helps some times I was programming a C# program, where I got this error" , This is a compiler error.
Your code isn't running at all.
EWS C# error: does not exist in current context

EWS C# error: does not exist in current context


By : Deepankar_Parashar
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I'm trying to write a program to read through an exchange mailbox. I'm very new to c#, so please excuse if the error is too obvious. , the error should be in this line
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