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Grid from multiple tables
Message
De
18/08/2005 10:48:12
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
 
Information générale
Forum:
ASP.NET
Catégorie:
Bases de données
Versions des environnements
Environment:
C# 1.1
Database:
Jet/Access Engine
Divers
Thread ID:
01041958
Message ID:
01041968
Vues:
25
Thanks; I will try it.

>Hilmar,
>
>I'm not 100% sure about this, but I don't think you have to change that at all. All you have to do is change the query. The literal Student in line 4 is telling the data adapter what to call the data table created by the query and line 6 is telling the grid which data table to use from the data set. Line 4 would be comparable to this in VFP with SPT:
>
>SQLEXEC(handle, query, 'Student')
>
>So, it doesn't really matter what you call as long as you use the same thing in both places.
>
>HTH,
>Chad
>
>
>>I have loaded a grid with data from a single table, and would like to know what adaptations are required to use a multi-table join.
>>
>>What I have is something like this:
>>
>>
>>String query = "select * from Student order by LastName";
>>da = new OleDbDataAdapter(query, Cn);
>>ds = new DataSet();
>>da.Fill(ds, "Student");
>>this.dataGrid.DataSource = ds;
>>this.dataGrid.DataMember = "Student";
>>
>>
>>Data is stored in Access. I don't think I would have trouble with the JOIN (unless Access syntax is significantly different from Visual FoxPro), but:
>>
>>What should I replace for "Student" in lines 4 and 6, if the query spans 2 or more tables?
>>
>>TIA,
>>
>>Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
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