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DataSet.Table(0).DefaultView.rowfilter = "fieldName like '*a*b*c*"

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Mashkoor (VIP)

DataSet.Table(0).DefaultView.rowfilter = "fieldName like '*a*b*c*"

This filter is a valid filter but gives error. I think there is a problem
with .Net.

Please tell me if I am wrong my e mail Id is Click here to reveal e-mail address

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luxspes

If it is really:
"fieldName like '*a*b*c*"

it has a mistake, it should be:

"fieldName like '*a*b*c*'"

'*a*b*c* is wrong (you are not closing your ' )
'*a*b*c*' is right (no I am closing the ' )

Mashkoor wrote:
[Original message clipped]

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Marcelo Dabanovich Lavio

Mashkoor,

This page (documentation of RowFilter property of DataView class)
http://msdn.microsoft.com/library/en-us/cpref/html/frlrfSystemDataDataViewClassRowFilterTopic.asp
has, on Remarks "See the DataColumn class's Expression property for more
information".

This page (documentation of Expression property of DataColumn class)
http://msdn.microsoft.com/library/en-us/cpref/html/frlrfsystemdatadatacolumnclassexpressiontopic.asp

(...)
WILDCARD CHARACTERS
Both the * and % can be used interchangeably for wildcards in a LIKE
comparison. If the string in a LIKE clause contains a * or %, those
characters should be escaped in brackets ([]). If a bracket is in the
clause, the bracket characters should be escaped in brackets (for example
[[] or []]). A wildcard is allowed at the beginning and end of a pattern, or
at the end of a pattern, or at the beginning of a pattern. For example:
"ItemName LIKE '*product*'"
"ItemName LIKE '*product'"
"ItemName LIKE 'product*'"
Wildcards are not allowed in the middle of a string. For example, 'te*xt' is
not allowed.
(...)

So, there is your answer: "Wildcards are not allowed in the middle of a
string".

Hope this helps,
Marcelo

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	System.Data.DataColumn
	System.Data.DataSet
	System.Data.DataView

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