sp execute problem

[Dilum]

i'm using vb.net (VS2005) and Ms sql 2005 when i'm executing sp using my code(executenonquery) it takes more than 10minutes but when i'm run it normaly(like a sql query in Ms sql2005)it takes only 3seconds. i created same sp with different name and executed using code.that time it takes only 3seconds(same as normal execute). in first time, whats da reason for takes long time?anyon can help me? Thnks you

[Rami Said Abd Alhalim]

can you write how you call sp from VB

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