vb+sql
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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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DIM ds as new DataSet
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datasetÊÇADO.NET¶ÔÏó
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<?mso-application progid="Excel.Sheet"?>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet"
xm ......
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A 3
A 4
B 6
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#include "stdlib.h"
#include "math.h"
#include "stdio.h"
float objfx(float x[]);
void constraint(float x[] ......