Databases
StackOverflow2013
Postsdbo
PONot Having CopyToDatatable() method
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PONot Having CopyToDatatable() method
    text
    copied!<p>i have a linq to dataTable query like this:</p> <pre><code>`var ShowResult = from r in Result.AsEnumerable() where Convert.ToInt32(r.Field&lt;double&gt;("ASLVAM") / r.Field&lt;double&gt;("GEST")) &gt; 60 orderby Convert.ToInt32(r.Field&lt;double&gt;("ASLVAM") / r.Field&lt;double&gt;("GEST")) descending select new { pascode = r.Field&lt;string&gt;("PAS_CODE"), melli = r.Field&lt;string&gt;("CODEMELI"), name = r.Field&lt;string&gt;("NAM"), family = r.Field&lt;string&gt;("FAMILY"), bycode = r.Field&lt;string&gt;("BAYGANI"), jancode = r.Field&lt;string&gt;("CODEJANBAZ"), darsad = r.Field&lt;int&gt;("DARSAD"), ostan = r.Field&lt;string&gt;("OSTAN_N"), vacode = r.Field&lt;string&gt;("VA_CODE"), moin = r.Field&lt;string&gt;("VA_MOIN"), onvan = r.Field&lt;string&gt;("TAFZILI"), aslvam = r.Field&lt;double&gt;("ASLVAM"), gest = r.Field&lt;double&gt;("GEST"), //tededGestKol = Convert.ToInt32(r.Field&lt;double&gt;("ASLVAM") / r.Field&lt;double&gt;("GEST")), mandeVam = r.Field&lt;double&gt;("MANDE_VAM"), dPardakht = r.Field&lt;string&gt;("DATE_P") };`&lt;code&gt; </code></pre> <p> and i added reference System.Data.DataSetExtentions to use CopyToDataTable() method for showing my query result in a dataGrid view but this method didn,t add to my Inellisence, I also use the <a href="http://msdn.microsoft.com/en-us/library/bb669096.aspx" rel="nofollow">MSDN Sample</a> to use this method but this time i got this error : "Specified Cast is not valid" Please help me , what can i do to overcom this problem?</p>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload