SQL Server中单引号的两种处理技巧

'strCnn = "DSN=mydsn;UID=sa;PWD=;"

'DATABASE=pubs;Driver={SQL Server};SERVER=gzl_pc" '

cnn1.Open strCnn, , , 0 '打开连接

End Sub

Private Sub Command1_Click()    '演示字符处理

Dim i As Integer

Dim j As Integer

  Set parm = New ADODB.Parameter

Set mycommand = New ADODB.Command



Dim str As String

str = Combo1.Text

str = ProcessStr (str)

mycommand.ActiveConnection = cnn1

mycommand.CommandText = " select * from 

employee where fname = '" & str & "'" 

mycommand.CommandType = adCmdText   '表明command 类型

Set rstByQuery = New ADODB.Recordset

Set rstByQuery = mycommand.Execute()

i = 0

Do While Not rstByQuery.EOF

i = i   1    '  i 中保存记录个数

rstByQuery.MoveNext

Loop

MSFlexGrid1.Rows = i   1  '动态设置MSFlexGrid的行和列

MSFlexGrid1.Cols = rstByQuery.Fields.count   1

MSFlexGrid1.Row = 0

For i = 0 To rstByQuery.Fields.count - 1

MSFlexGrid1.Col = i   1

MSFlexGrid1.Text = rstByQuery.Fields.Item(i).Name

Next   '设置第一行的标题，用域名填充



i = 0

'Set rstByQuery = mycommand.Execute()

rstByQuery.Requery

Do While Not rstByQuery.EOF

  i = i   1

  MSFlexGrid1.Row = i  '确定行

  For j = 0 To rstByQuery.Fields.count - 1

  MSFlexGrid1.Col = j   1

  MSFlexGrid1.Text = rstByQuery(j)  '添充所有的列

  Next

rstByQuery.MoveNext

End Sub

Private Sub Command2_Click()'参数方法

Dim i As Integer

   Dim j As Integer



Set parm = New ADODB.Parameter

Set mycommand = New ADODB.Command



' parm_jobid.Name = "name1"  this line can be ommited

parm.Type = adChar '参数类型

parm.Size = 10          '参数长度

parm.Direction = adParamInput '参数方向，输入或输出

parm.Value = Combo1.Text      '参数的值

mycommand.Parameters.Append parm  '加入参数

mycommand.ActiveConnection = cnn1   '