Ms access 循环记录集并添加到字典/集合:项键存在
首先是vba/access项目,出于某种原因,我似乎无法通过循环将项目添加到集合或字典:Ms access 循环记录集并添加到字典/集合:项键存在,ms-access,vba,Ms Access,Vba,首先是vba/access项目,出于某种原因,我似乎无法通过循环将项目添加到集合或字典: Dim current_stock As Scripting.Dictionary Set current_stock = New Scripting.Dictionary current_stocks_sql = "SELECT id, size,stock FROM bags" Set rs = db.OpenRecordset(current_stocks_sql) ' O
Dim current_stock As Scripting.Dictionary
Set current_stock = New Scripting.Dictionary
current_stocks_sql = "SELECT id, size,stock FROM bags"
Set rs = db.OpenRecordset(current_stocks_sql)
' On Error Resume Next
Do While Not rs.EOF
current_stock.add rs!id, rs!stock
MsgBox rs!id ' gives 1,2,3 correctly
rs.MoveNext
Loop
'On Error GoTo 0
rs.Close
当到达id 2时,它给出错误项key已经存在。
字典。Add
允许您将对象存储为key
Dictionary.addrs!身份证,rs!stock
不会向字典中添加两个值,而是添加两个字段对象,即ID字段和stock字段
在移动到下一条记录后,字段对象仍然是相同的,因此您会得到一个项目键已存在的错误
添加值而不是字段对象:
current_stock.add rs!id.Value, rs!stock.Value