在并发的时候获取当前插入的ID 支持access sql
C# code:
Select Scope_Identity()就可以获取到了,要跟insert语句在一起. ACCESS sql 都是一样的用
//C#
string query = "Insert Into Categories (CategoryName) Values (@CategoryName);" +
"Select Scope_Identity()";
int ID;
string connect = @"Server=.\SQLExpress;AttachDbFilename=|DataDirectory|Northwind.mdf;" +
"Database=Northwind;Trusted_Connection=Yes;";
using (SqlConnection conn = new SqlConnection(connect))
{
using (SqlCommand cmd = new SqlCommand(query, conn))
{
cmd.Parameters.AddWithValue("@CategoryName", Category.Text);
conn.Open();
ID = (int)cmd.ExecuteScalar();
}
}
VB.NET code:
'VB
Dim query As String = "Insert Into Categories (CategoryName) Values (@CategoryName);" & _
"Select Scope_Identity()"
Dim ID As Integer
Dim connect As String = "Server=.\SQLExpress;AttachDbFilename=|DataDirectory|Northwind.mdf;" & _
"Database=Northwind;Trusted_Connection=Yes;"
Using conn As New SqlConnection(connect)
Using cmd As New SqlCommand(query, conn)
cmd.Parameters.AddWithValue("@CategoryName", Category.Text)
conn.Open()
ID = cmd.ExecuteScalar()
End Using
End Using
相关问答：
我的数据库是简体sqlserver2000 ,我想在繁体access下连接,通过odbc是可以了,但在access下出现打开的表全中"#已删除"
不知道要怎么操作才可以用ACCESS繁体连接简体sqlserver2000.谢谢!!!
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