SSIS Expression Examples This example casts a numeric value to an integer. (DT_I4) 3.57 This example casts an integer to a character string using the 1252 code page. (DT_STR,1,1252)5 This example casts a three-character string to double-byte characters. (DT_WSTR,3)"Cat" This example casts an integer to a decimal with a scale of two. (DT_DECIMAl,2)500 This example casts an integer to a numeric with a precision of seven and scale of three. (DT_NUMERIC,7,3)4000 This example casts values in the FirstName column, defined with an nvarchar data type and a length of 50, to a character string using the 1252 code page. (DT_STR,50,1252)FirstName This example casts values in the DateFirstPurchase column of type DT_DBDATE, to a Unicode character string with a length of 20. (DT_WSTR,20)DateFirstPurchase This example casts the string literal ...