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POObjectDataSource -> SelectMethod is not specified
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2010-02-16T09:14:21.600
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2018-01-16T06:08:39.650
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I created a UserControl with ObjectDataSource + ASPxGridView. SelectMethod of ObjectDataSource I set the dynamicly depending on public parameter of UserControl: <pre><code>private int _companyID = -1; public int CompanyID { get { return _companyID; } set { _companyID = value; dsPersons.SelectMethod = "GetPersonsByCompany"; dsPersons.SortParameterName = "sort"; dsPersons.SelectParameters.Clear(); dsPersons.SelectParameters.Add("companyID", DbType.Int32, value.ToString()); } } </code></pre> When I use my control on Page like this: <pre><code><uc:PersonsManager ID="personsManager" runat="server" CompanyID="2" /> </code></pre> or put it in another ASPxGridView like this: <pre><code><dxwgv:ASPxGridView ID="gridViewCompany" runat="server" DataSourceID="dsCompany" KeyFieldName="ID" Width="100%" AutoGenerateColumns="false"> <Columns> <dxwgv:GridViewDataColumn> <DataItemTemplate> <uc:PersonsManager ID="personsManager" runat="server" CompanyID='<%# Bind("ID") %>' /> </DataItemTemplate> </dxwgv:GridViewDataColumn> </Columns> </dxwgv:ASPxGridView> </code></pre> All works fine, but I wanna to declare Control parameter from code-behind: <pre><code><uc:PersonsManager ID="personsManager" runat="server" /> </code></pre> and then on Page_Load: <pre><code>personsManager.CompanyID = 2; </code></pre> And if I use previous declaration then I can see only first load of UserControl's ASPxGridView with some data, because any manipulation will cause error on HtmlRowCreated event of UserControl's ASPxGridView: <blockquote> The Select operation is not supported by ObjectDataSource 'dsPersons' unless the SelectMethod is specified. </blockquote> Why is this happening? Thanks.
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<asp.net><aspxgridview>
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ObjectDataSource -> SelectMethod is not specified
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.