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刚开始研究将 LinqDataSource 用于 GridView,我正在寻找更多关于如何设置数据源的示例。

我希望稍后将它用于 SharePoint 列表,但现在我只是在为一个可以检索和更新数据的类提供一些详细示例。

这是来自 MS 的示例类。我只是在不止一个例子之后,所以我更好地了解它是如何工作的。

一个已知有效且稍微复杂一点的简单示例会很棒

public class MovieLibrary
{
        string[] _availableGenres = { "Comedy", "Drama", "Romance" };

        public MovieLibrary()
        {
        }

        public string[] AvailableGenres
        {
            get
            {
                return _availableGenres;
            }
        }
    }

干杯

4

1 回答 1

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我将 LinqDataSource 与 SPGridView 一起使用,这是我的代码。

      <SharePoint:SPGridView runat="server" ID="spgvUserTrainingLists" AutoGenerateColumns="false"
                                DataSourceID="linqDsEmployeeTrainingLists" DataKeyNames="RowId" OnRowDataBound="spgvUserTrainingLists_RowDataBound"
                                AllowSorting="true" AllowPaging="true" PageSize="15" AllowFiltering="true" FilteredDataSourcePropertyName="Where"
                                FilteredDataSourcePropertyFormat='{1} == "{0}"' FilterDataFields=",TrainingType,,Trainer,Status">
                                <Columns>
                                    <SharePoint:SPBoundField HeaderText="Ref #" SortExpression="RefNo" DataField="RefNo" />
                                    <SharePoint:SPBoundField HeaderText="Type" SortExpression="TrainingType" DataField="TrainingType" />
                                    <asp:TemplateField HeaderText="Training" SortExpression="TrainingTitle">
                                        <ItemTemplate>
                                            <asp:HyperLink ID="hlTrainingDetail" runat="server" Text='<%# Eval("TrainingTitle") %>'
                                                NavigateUrl="#" />
                                        </ItemTemplate>
                                    </asp:TemplateField>
                                    <SharePoint:SPBoundField HeaderText="Trainer" SortExpression="Trainer" DataField="Trainer" />
                                    <SharePoint:SPBoundField HeaderText="Status" SortExpression="Status" DataField="Status" />
                                    <asp:TemplateField>
                                        <ItemTemplate>
                                            <asp:ImageButton ID="imgDelete" ImageUrl="~/_layouts/images/DELITEM.GIF" runat="server"
                                                UseSubmitBehaviour="false" CommandValue='<%# Eval("RowId") %>' OnClientClick="javascript:DeleteTraining(this);" />
                                        </ItemTemplate>
                                    </asp:TemplateField>
                                </Columns>
                                <EmptyDataTemplate>
                                    No training yet.
                                </EmptyDataTemplate>
                            </SharePoint:SPGridView>
                            <SharePoint:SPGridViewPager ID="SPGridViewPager1" runat="server" GridViewId="spgvUserTrainingLists" />
                            <aspweb:LinqDataSource runat="server" ID="linqDsEmployeeTrainingLists" OnSelecting="linqDs_Selecting" />

在 LinqDataSource 中选择事件是数据绑定发生的地方

protected void linqDs_Selecting(object sender, LinqDataSourceSelectEventArgs e)
    {
        object parameter = null;

        if (e.SelectParameters.TryGetValue("employee", out parameter))
        {
            e.Result = DefaultBLL.GetEmployeeTrainingLists(parameter.ToString());
        }
    }


Hope this help.
于 2011-09-23T01:19:01.447 回答