Incorrect Syntax near) in sql query in Vb.net

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Dear All,
I am trying To sum of nvarchar column in sql query in vb.net. But its showing incorrect syntax near ). Here is my query -
SqlCmd = New SqlCommand("SELECT SUM(CAST(BasicSal AS double)) AS BasicSalary FROM vwGetEmpCntrctWisePaymnt",ConnString)
My BasicSal is nvarchar column in SQL Server2000.
Any help will be highly appreciated.

Posted 22-Mar-15 5:12am

Rizwan Gazi

Updated 22-Mar-15 5:13am

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OriginalGriff · Accepted Answer · 2015-03-22T05:20:00

Solution 1

"double" is not a valid SQL datatype: did you mean "FLOAT"?

SQL

SqlCmd = New SqlCommand("SELECT SUM(CAST(BasicSal AS FLOAT)) AS BasicSalary FROM vwGetEmpCntrctWisePaymnt",ConnString)

DOUBLE is an alias, and they aren't allowed in CAST functions.

Posted 22-Mar-15 5:20am

OriginalGriff

Peter Leow · Accepted Answer · 2015-03-22T05:22:00

Solution 2

Try this:

SELECT SUM(CAST(BasicSal AS decimal)) AS BasicSalary FROM vwGetEmpCntrctWisePaymnt

Posted 22-Mar-15 5:22am

Peter Leow