h2. Intro {excerpt}This guide will explain how to import a single row of values into a PowerPoint presentation using data markers. This assumes a basic understanding of [data markers|How to use Data Markers].{excerpt} || {center} Jump to: {center} || | {toc:minLevel=2|maxLevel=3} | h2. Setting up the Template The template file should contain data markers following proper data marker syntax. Each copy of a given data marker will be populated with the same value. If the data marker appears in a table row or list entry, nothing will be automatically repeated if only one row is imported. h2. Binding Data PowerPointTemplate has a single method for binding data to the data markers that are located in the template: {{[PowerPointTemplate.BindData]}}. Depending on the data source type and the number of rows in the data source, PowerPointWriter will either import a single row of data or [import multiple rows|Importing Multiple Rows of Data]. There are several ways to import a single row of data into a presentation: # Use a single dimensional array # Use a multi-dimensional data source AND ## the data source only has one row of data ## {{[DataBindingProperties.MaxRowsToImport]}} is set to 1 h2. Single Dimensional Arrays Arrays don't have built-in means to store column names. The user must specify the column names in a string array that is passed to {{PowerPointTemplate.BindData}} at run time. {code:csharp|title=C#} PowerPointTemplate pptt = new PowerPointTemplate(); pptt.Open(@"C:\DataBinding\ArrayBindingTemplate.pptx"); string[] values = {"Hello World", "subtitle"}; string[] colNames = {"header", "subtitle"}; DataBindingProperties DataProps = pptt.CreateDataBindingProperties(); pptt.BindData(values, colNames, "DataSource1", DataProps); pptt.Process(); pptt.Save(Page.Response, "ArrayBinding.pptx", false); {code} {code:vbnet|title=vb.net} Dim pptt As New PowerPointTemplate() pptt.Open("C:\DataBinding\ArrayBindingTemplate.pptx") Dim values = New String() {"Hello World", "subtitle"} Dim colNames = New String() {"header", "subtitle"} Dim DataProps As DataBindingProperites = pptt.CreateDataBindingProperties(); pptt.BindData(values, colNames, "DataSource1", DataProps); pptt.Process() pptt.Save(Page.Response, _ "ArrayBinding.pptx", _ False) {code} h2. Multi-dimensional data sources h3. Data source with one row of data If a multi-dimensional data source has only one row of data, the automatic repeating behavior will not occur. This is consistent for any of the multi-dimensional data sources supported by [BindData|PowerPointTemplate.BindData]: * Jagged and multi-dimensional arrays * Custom objects (IEnumerable<T>) * System.IDataReader and System.DataTable h3. Setting MaxRowsToImport to 1 MaxRowsToImport is a property on the [DataBindingProperties] object that can be used to limit the number of rows that are imported, regardless of how many rows are actually in the data source. {code:csharp|title=Setting the MaxRowsToImport Property} DataBindingProperties dataProps = ppt.CreateDataBindingProperties(); dataProps.MaxRowsToImport = 1; ppt.BindData(getDataTable(), "DataSourceName", dataProps); {code} |