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start:visualstudio2019:programmieren:dotnet:component:dataview [2022/12/05 11:24]
wikiadmin 		start:visualstudio2019:programmieren:dotnet:component:dataview [2022/12/05 11:34] (aktuell)
wikiadmin
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 ====== How to filter your row data ====== ====== How to filter your row data ======
 This document briefly explains how to use the data filter syntax. This document briefly explains how to use the data filter syntax.
 +
 +[[https://learn.microsoft.com/en-us/dotnet/api/system.data.datacolumn.expression?view=net-7.0#system-data-datacolumn-expression|Dot Net 7.0 C# ]]
 === Column names === === Column names ===
  
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 There are also supported following functions. Detailed description can be found here DataColumn.Ex­pression. There are also supported following functions. Detailed description can be found here DataColumn.Ex­pression.
  
-    **CONVERT** – converts particular expression to a specified .NET Framework type +  *  **CONVERT** – converts particular expression to a specified .NET Framework type 
-    **LEN** – gets the length of a string +  *  **LEN** – gets the length of a string 
-    **ISNULL** – checks an expression and either returns the checked expression or a replacement value +  *  **ISNULL** – checks an expression and either returns the checked expression or a replacement value 
-    **IIF** – gets one of two values depending on the result of a logical expression +  *  **IIF** – gets one of two values depending on the result of a logical expression 
-    **TRIM** – removes all leading and trailing blank characters like \r, \n, \t, ‚ ‘ +  *  **TRIM** – removes all leading and trailing blank characters like \r, \n, \t, ‚ ‘ 
-    **SUBSTRING** – gets a sub-string of a specified length, starting at a specified point in the string+  *  **SUBSTRING** – gets a sub-string of a specified length, starting at a specified point in the string
  
  
 <code C# [enable_line_numbers="true",highlight_lines_extra="0,"]> <code C# [enable_line_numbers="true",highlight_lines_extra="0,"]>
 </code> </code>