Mercurial > pub > bltoolkit
diff Tools/DocGen/Content/Doc/DataAccess/ScalarSource.htm @ 0:f990fcb411a9
Копия текущей версии из github
author | cin |
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date | Thu, 27 Mar 2014 21:46:09 +0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Tools/DocGen/Content/Doc/DataAccess/ScalarSource.htm Thu Mar 27 21:46:09 2014 +0400 @@ -0,0 +1,20 @@ +<% group # Abstract accessor attributes %> + +<p class='j'> +If a method returns a scalar value, this attribute can be used to specify how database returns this value. +The <b>ScalarSource</b> attribute take a parameter of the <b>ScalarSourceType</b> type: + +<table class='data'> +<tr><th>ScalarSourceType</th><th>Description</th></tr> +<tr><td>DataReader</td><td>Calls the <b>DbManager.ExecuteReader</b> method, and then calls <b>IDataReader.GetValue</b> method to read the value.</td></tr> +<tr><td>OutputParameter</td><td>Calls the <b>DbManager.ExecuteNonQuery</b> method, and then reads value from the <b>IDbDataParameter.Value</b> property.</td></tr> +<tr><td>ReturnValue</td><td>Calls the <b>DbManager.ExecuteNonQuery</b> method, and then reads return value from command parameter collection.</td></tr> +<tr><td>AffectedRows</td><td>Calls the <b>DbManager.ExecuteNonQuery</b> method, and then returns its return value.</td></tr> +</table> +</p> + +ScalarSource.cs +<% ..\..\..\HowTo\DataAccess\ScalarSource.cs %> +App.config +<% Doc\Data\App.config %> +<a href="../Data/CreateSql.htm">Create.sql script</a>