Master-Details Insert

Master table (tlbProduct) having productID as Primary key and
which acts as reference key for table (tlbCategory).
Fields for tlbProduct are productID,productName
Fields for tlbCategort are productID,CategoryID(primary key),CategoryName,Prize
both productID,CategoryID are autoincrementing.
but when i write two inserts simultaneously as follows
insert into tlbProduct(productName)values(@.productName)
insert into tlbCategory(CategoryName,Prize) using sqldatasource
I get the error that ProductID value is null which is not provided
But (productId in both is autoincremented) and relationship is there in both tables
How to resolve this problem without adding ProductID in second Insert
?
SWati

Hello,

to create a relationship between two tables in sql, you need to match the primary key and the foreign key. So after the first insert, you would need to find out the id that was inserted by the database for the product (you can do this with SELECT SCOPE_IDENTITY()), and then you need to use this id in the second insert statement. If the keys don't match and the database is trying to enforce a relationship between the tables, you will get an error.

Good luck

Master-Detail w/Gridview-DetailsView Stored Procedure Problem

I am attempting to setup a Master-Details with GridView/DetailsView but I can't seem to find any information on using a stored procedure that requires parameters with the SqlDataSource control.

SelectCommandType specifies that you are using a stored proc. SelectCommand specifies the name of the proc, but I haven't found any information on how to pass a parameter to the stored procedure.

Is it even possible or do I have to forget about using the DetailsView control altogether?

you should use an sql parameter like this in your sql data source:

here a dropdown list value is taken as a parameter:

<asp:SqlDataSourceID="SqlDataSource1"runat="server"ConnectionString="<%$ ConnectionStrings:urConnString %>"

SelectCommand="urSP"SelectCommandType="StoredProcedure"EnableCaching="True">

<SelectParameters>

<asp:ControlParameterControlID="dropdown"Name="urparamname"PropertyName="SelectedValue"

Type="String"/>

</SelectParameters>

</asp:SqlDataSource>

hope this helps.

|||

Thanks Raj, but I have already done that. My code, as you suggested, looks like this:

<asp:SqlDataSource ID="DetailsViewSqlDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:ForexturtleConnectionString %>"
DeleteCommand="swsp_DeleteCompany" DeleteCommandType="StoredProcedure" InsertCommand="swsp_InsertCompany"
InsertCommandType="StoredProcedure"SelectCommand="swsp_GetCompany" SelectCommandType="StoredProcedure"
UpdateCommand="swsp_UpdateCompany" UpdateCommandType="StoredProcedure">
<SelectParameters>
<asp:ControlParameter ControlID="GridView1" Name="swCompanyId" PropertyName="SelectedValue"
Type="Int32" />
</SelectParameters>

The stored procedure (swsp_GetCompany) requires the record ID as a parameter to grab the correct record. It works great against the database. GridView1 had previously selected the correct record, but I don't see how it supplies swCompanyId to DetailsViewSqlDataSource:

<asp:SqlDataSource ID="GridViewSqlDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:ForexturtleConnectionString %>"
SelectCommand="swsp_GetCompanies" SelectCommandType="StoredProcedure"></asp:SqlDataSource>
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"
AutoGenerateColumns="False" DataKeyNames="swCompanyId" DataSourceID="GridViewSqlDataSource">
<Columns>
<asp:CommandField ShowSelectButton="True" />
<asp:BoundField DataField="swCompanyId" HeaderText="ID" InsertVisible="False" ReadOnly="True"
SortExpression="swCompanyId" />
<asp:BoundField DataField="swName" HeaderText="Company" SortExpression="swName" />
</Columns>
</asp:GridView>

I still get an error that says, "Procedure or function 'swsp_GetCompany' expects parameter '@.id', which was not supplied."

|||

I am not sure as how to pass the value from a gridview to detailsview as a parameter...

one thing u can check is the name of the parameter... if u have used "@.id" in ur SP, then try to use the same name from .aspx page also...but here u r passing 'swcompanyID' which is not expected by the SP...

<SelectParameters>
<asp:ControlParameter ControlID="GridView1" Name="swCompanyId" PropertyName="SelectedValue"
Type="Int32" />
</SelectParameters>

hope this helps you...

|||

Thanks so much for your help! As it turned out, I modified the name of the parameter in the stored procedure from @.id to @.swCompanyId and everything worked great. Thanks again for your help.