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Update t_Icitem Set f_102 = IsNull(f_102,0)+1 Where FNumber='0001'
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cn.execute("Update t_Icitem Set f_102 = IsNull(f_102,0)+1 Where FNumber='" & text1.text & "'")
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cn.execute("Update t_Icitem Set f_102 = IsNull(f_102,1) Where FNumber='" & text1.text & "'")
ISNULL
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ISNULL ( check_expression , replacement_value )
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check_expression
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replacement_value
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cn.execute("Update t_Icitem Set f_102 = IsNull(f_102,0)+intJ-1 Where FNumber='" & text1.text & "'")
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cn.execute("Update t_Icitem Set f_102 = IsNull(f_102,1) Where FNumber='" & text1.text & "'")
cn.execute("Update t_Icitem Set f_102 = IsNull(f_102,0)+" & (intJ-1) & " Where FNum
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