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Just for close the question.
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Even if no recipients are checked and this clears all of the recipients in the grid, this is as expected.<br />
Please find the code file in text file.<br />
<a href="https://filedb.experts-exchange.com/incoming/2017/11_w45/1204340/cody12345.txt" target="_blank" class="file-inline" title="code (1 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>cody12345.txt</a><br />
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<a href="https://filedb.experts-exchange.com/incoming/2017/11_w45/1204339/address.PNG" target="_blank" title="Image (7 KB)"><img alt="Image" class="file-block lazyload" style="max-width: 374px;" data-src="https://filedb.experts-exchange.com/incoming/2017/11_w45/1204339/address.PNG" /></a>
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cody12345.txt

address.PNG

Even if no recipients are checked and this clears all of the recipients in the grid, this is as expected.
Please find the code file in text file.




Even if no recipients are checked and this clears all of the recipients in the grid, this is as expected.

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).

Language Integrated Query (LINQ) is a Microsoft .NET Framework component that adds native data querying capabilities to .NET languages, although ports exist for Java, PHP, JavaScript and ActionScript. LINQ extends the language by the addition of query expressions, which are akin to SQL statements, and can be used to conveniently extract and process data from arrays, enumerable classes, XML documents, relational databases, and third-party data sources.