Databases
StackOverflow2013
Postsdbo
PO
 

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  1. PO
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    <p>You problem is that when you defined it: <code>Dictionary&lt;String, String&gt; dictionary;</code> you didn't initialize it. What is happening is that you are assigning a value in a try statement which, depending on what else happens in that statement, may not ever make it to the assignment code of the dictionary variable.<br> You could combine the two try catch blocks. This way you don't need to initialize it, because it is all being used in the same branch of code. There is no way that the dictionary variable can be used before it is assigned.</p> <pre><code>try { Dictionary&lt;string,string&gt; dictionary; String[] jadFileContent; // Create an instance of StreamReader to read from a file. // The using statement also closes the StreamReader. using (StreamReader sr = new StreamReader (jadUri.AbsolutePath.ToString())) { Char[] delimiters = { '\r', '\n' }; jadFileContent = sr.ReadToEnd().Split(delimiters, System.StringSplitOptions.RemoveEmptyEntries); } // @@NOTE: Keys contain ": " suffix, values don't! dictionary = jadFileContent.ToDictionary (x =&gt; x.Substring(0, x.IndexOf(':') + 2), x =&gt; x.Substring(x.IndexOf(':') + 2)); if(dictionary == null) { throw new Exception("dictionary is null"); //or ArgumentNullException since you specified //in the second try catch block. } if (dictionary.ContainsKey("MIDlet-Jar-URL: ")) { // Change the value by Remove follow by Add } } catch (ArgumentNullException ane) { throw; } catch (Exception e) { // Let the user know what went wrong. Console.WriteLine("The file could not be read:"); Console.WriteLine(e.Message); } </code></pre>
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    1. This table or related slice is empty.
    1. POUse of unassigned local variable 'dictionary'
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      1. PTQuestion
    1. PTAnswer
    1. USkemiller2002
    1. USkemiller2002
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. COThanks, same comment as I place above.
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      1. PO
      1. USChris
 

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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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