How To Retreive Data Depends On Another Data ...

Mar 13, 2007

my application will add and delete and update records in db

my problem is when to update and delete ..

I have two dropdownboxes one to retreive servers and one to retreive dbs in the server ...

SqlDataAdapter daa = new SqlDataAdapter("SELECT * FROM DB_tbl"+","+"Servers_tbl where Servers_tbl.Server_Name == '"+ DropDownList4.SelectedValue +"' ", sqlConnection1 );

 

this is the structure of each table >>

servers_tbl : SRV_ID,Server_name

DB_teb      : DB_ID,SRV_ID,DB_name

 the dropdown box retreive just the names ... so what is the base of where part of the command

hint : the DB_tbl does not have the server name but has the sever id   

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Hi: Guys
Given the table below I want a select query that returns the AccountRepID with the largest single sale for each RegionID. In the event of a tie choose any single top AccountRepID to return.

CREATE TABLE [Sales] (
[SalesID] [int] IDENTITY (1, 1) NOT NULL ,
RegionID] [int],
[AccountRepID] [int],
[SalesAmount] [money]
)

If the data were
salesid,regionid,accountrepid,salesamount
1,101,31,$50
2,101,32,$25
3,102,31,$25
4,102,32,$25
5,102,31,$15

The query should return
regionid,accountrepid
101,31
102,31 or 102,32


Is there another way to get the data other than the following query:

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The Jet

Here is the message stack:


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using System.Collections.Generic;
using System.Text;
using Csyt.DAL;
using Csyt.Info;

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