In one of the applications that I'm working on I have 2 sets of
functions that build different datasets.
Imagine 4 columns in a datagrid. Inside those 4 columns I have nested
datalists. Two of the datalists' datasources point to database A and
the other two point to database B. This effect allows the client to
perform a side-by-side comparison of the same product so that records
can be updated accordingly. It's easy enough to scroll down and look
for differences but I was asked to make it even easier for the client.
The ultimate goal is to have any changes displayed in red or bold type
so that differences can be spotted at first glance. An example would be
that if Database A has product XYZ's latest version at 3 and Database B
has product XYZ's latest version at 4, then the 4 would be displayed in
red or bold type.
I'm thinking that a cookie might be the way to go but I could be wrong.
Does anyone have any suggestions or references that I can check out to
compare datasets row-by-row? Is there an easier way to go about doing
this?
19  2982 
Can you join the relevant tables in SQL? Cross database joins are quite
straight forward if you have the necessary permissions. That way you could
flag your interest using computed columns. Probably more efficient than
regular coding.
"Will Lastname" wrote: In one of the applications that I'm working on I have 2 sets of
functions that build different datasets.
Imagine 4 columns in a datagrid. Inside those 4 columns I have nested
datalists. Two of the datalists' datasources point to database A and
the other two point to database B. This effect allows the client to
perform a side-by-side comparison of the same product so that records
can be updated accordingly. It's easy enough to scroll down and look
for differences but I was asked to make it even easier for the client.
The ultimate goal is to have any changes displayed in red or bold type
so that differences can be spotted at first glance. An example would be
that if Database A has product XYZ's latest version at 3 and Database B
has product XYZ's latest version at 4, then the 4 would be displayed in
red or bold type.
I'm thinking that a cookie might be the way to go but I could be wrong.
Does anyone have any suggestions or references that I can check out to
compare datasets row-by-row? Is there an easier way to go about doing
this?
Jeb: I wish I could as this would make the most sense. The only problem
is that one database is MS Access and one is SQL.
Will,
What about putting both tables into the same dataset and creating a
relationship?
--
Sincerely,
S. Justin Gengo, MCP
Web Developer / Programmer www.aboutfortunate.com
"Out of chaos comes order."
Nietzsche
"Will Lastname" <wh****@brinkst er.net> wrote in message
news:11******** **************@ g43g2000cwa.goo glegroups.com.. . In one of the applications that I'm working on I have 2 sets of
functions that build different datasets.
Imagine 4 columns in a datagrid. Inside those 4 columns I have nested
datalists. Two of the datalists' datasources point to database A and
the other two point to database B. This effect allows the client to
perform a side-by-side comparison of the same product so that records
can be updated accordingly. It's easy enough to scroll down and look
for differences but I was asked to make it even easier for the client.
The ultimate goal is to have any changes displayed in red or bold type
so that differences can be spotted at first glance. An example would be
that if Database A has product XYZ's latest version at 3 and Database B
has product XYZ's latest version at 4, then the 4 would be displayed in
red or bold type.
I'm thinking that a cookie might be the way to go but I could be wrong.
Does anyone have any suggestions or references that I can check out to
compare datasets row-by-row? Is there an easier way to go about doing
this?
That sounds like it would be the best bet but I'm wondering how much
work would go into implementing it.
I have 4 functions that I call for the Access database and the same 4
functions for the SQL database. The only difference being minor SQL
syntax differences.
Are there any sites or references that you could suggest?
Will,
You'll have to run all your SQL statements either way, but then once you
have all the tables in a dataset you can create the relationship(s) . Here's
a snippet of code that shows how to create a relationship.
' Create and fill the DataSet.
m_DataSet = New DataSet
m_da_Addresses. Fill(m_DataSet, "Addresses" )
m_da_TestScores .Fill(m_DataSet , "TestScores ")
' Define the relationship between the tables.
Dim data_relation As New _
DataRelation("A ddresses_TestSc ores", _
m_DataSet.Table s("Addresses"). Columns("Contac tID"), _
_
m_DataSet.Table s("TestScores") .Columns("Conta ctID"))
m_DataSet.Relat ions.Add(data_r elation)
Once your relationships are created you can do some pretty neat things with
DataViews I think you should be able to query your tables and look for like
names but with different numbers. It will take some experimentation . I would
google for info on creating relationship
Take a look at the code at the bottom of this page: http://www32.brinkster.com/srisamp/n...article_15.htm
It's very similar to what you might do.
--
Sincerely,
S. Justin Gengo, MCP
Web Developer / Programmer www.aboutfortunate.com
"Out of chaos comes order."
Nietzsche
"Will Lastname" <wh****@brinkst er.net> wrote in message
news:11******** **************@ g47g2000cwa.goo glegroups.com.. . That sounds like it would be the best bet but I'm wondering how much
work would go into implementing it.
I have 4 functions that I call for the Access database and the same 4
functions for the SQL database. The only difference being minor SQL
syntax differences.
Are there any sites or references that you could suggest?
Again Justin, always coming through in the clutch!
Thanks a million!
I also read another article about storing multiple database tables in
the dataset. Will I run into problems with the fact that both databases
have the exact same field names?
For instance, if I have the datalist's datasource set to
'FunctionGetIte mVersionByProdu ctID(ProductID) and I have in my
itemtemplate: <%# DataBinder.Eval (Container.Data Item, "ProductNam e")
%>, won't there by 2 instances of Product name and in turn throw an
error?
Will,
Bind the datatable and not the entire dataset. Then it won't matter.
--
Sincerely,
S. Justin Gengo, MCP
Web Developer / Programmer www.aboutfortunate.com
"Out of chaos comes order."
Nietzsche
"Will Lastname" <wh****@brinkst er.net> wrote in message
news:11******** **************@ g47g2000cwa.goo glegroups.com.. . For instance, if I have the datalist's datasource set to
'FunctionGetIte mVersionByProdu ctID(ProductID) and I have in my
itemtemplate: <%# DataBinder.Eval (Container.Data Item, "ProductNam e")
%>, won't there by 2 instances of Product name and in turn throw an
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