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Declarative Binding

The following article demonstrates how to implement Resources Data Binding within SqlDataSource scenario.

In order to implement Resources Data Binding, you would need to have two additional underlying data tables then the standard SQLDataSource scenario. The one should be where the Resources are stored and the other additional table is where the Assignments (links between tasks and resources) are stored. For more information, navigate to the DataBase Structure documentation article. In addition to the Resources feature, we have implemented a new column for visualization of the assigned resources in the Treelist view - GanttResourceColumn. This column should be defined in the Columns section of the RadGantt.

The below listed steps demonstrate how to implement Resources Data Binding within SqlDataSource scenario:

  1. Place a RadGantt control on the page.

  2. Add four SqlDataSource controls to the page and set their SelectCommands appropriately. Those SqlDataSources should acquire the data set for the tasks, their dependencies, the resources and the assignments, which should link the tasks with the resources.

  3. Assign the DataSourceID, DependenciesDataSourceID, ResourcesDataSourceID and AssignmentsDataSourceID properties to the respective data source controls.

  4. Configure the properties available under the TaskDataBindings, DependenciesDataBindings, ResourcesDataBindings and AssignmentsDataBindings sectionsto match the fields in the database tables.

After performing the above steps you should get a configuration similar to the demonstrated below.

ASP.NET
<telerik:RadGantt RenderMode="Lightweight" runat="server" ID="RadGantt1"
    DataSourceID="TasksDataSource"
    DependenciesDataSourceID="DependenciesDataSource"
    ResourcesDataSourceID="ResourcesDataSource"
    AssignmentsDataSourceID="AssignmentsDataSource"
    AutoGenerateColumns="false"
    EnableResources="true">
    <Columns>
        <telerik:GanttBoundColumn DataField="Title" DataType="String"></telerik:GanttBoundColumn>
        <telerik:GanttResourceColumn HeaderText="Asssigned Resources"></telerik:GanttResourceColumn>
    </Columns>
    <DataBindings>
        <TasksDataBindings
            IdField="ID" ParentIdField="ParentID"
            StartField="Start" EndField="End"
            OrderIdField="OrderID"
            SummaryField="Summary"
            TitleField="Title" PercentCompleteField="PercentComplete" />
        <DependenciesDataBindings
            TypeField="Type" IdField="ID"
            PredecessorIdField="PredecessorID"
            SuccessorIdField="SuccessorID" />
        <ResourcesDataBindings IdField="ID"
            TextField="Name"
            ColorField="Color" />
        <AssignmentsDataBindings IdField="ID"
            TaskIdField="TaskID"
            ResourceIdField="ResourceID"
            UnitsField="Units" />
    </DataBindings>
</telerik:RadGantt>

<asp:SqlDataSource ID="TasksDataSource" runat="server"
    ProviderName="System.Data.SqlClient"
    ConnectionString="<%$ ConnectionStrings:TelerikConnectionString %>"
    SelectCommand="SELECT * FROM [GanttTasks]"></asp:SqlDataSource>

<asp:SqlDataSource ID="DependenciesDataSource" runat="server"
    ProviderName="System.Data.SqlClient"
    ConnectionString="<%$ ConnectionStrings:TelerikConnectionString %>"
    SelectCommand="SELECT * FROM [GanttDependencies]"></asp:SqlDataSource>

<asp:SqlDataSource runat="server" ID="ResourcesDataSource"
    SelectCommand="SELECT * FROM [GanttResources]"
    ConnectionString="<%$ ConnectionStrings:TelerikConnectionString %>" />

<asp:SqlDataSource ID="AssignmentsDataSource" runat="server"
    ProviderName="System.Data.SqlClient"
    ConnectionString="<%$ ConnectionStrings:TelerikConnectionString %>"
    SelectCommand="SELECT * FROM [GanttResourceAssignments]"></asp:SqlDataSource>

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