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POEntity framework Parser Error
 

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  1. POEntity framework Parser Error
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    <p>PLEASE HELP ME TO SOLVE THIS ERROR</p> <p><strong>cs file</strong></p> <pre><code>public partial class Control : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { OrderDataRepository rep = new OrderDataRepository(); var results = rep.GetAllOrderData(). GroupBy(o =&gt; o.DRIVER_ID). Select(g =&gt; new { DriverId = g.Key, OrderCount = g.Count(), OrderCountWhereNameIsNotNull = g.Count(o =&gt; o.RECEIVE_NAME != null) }).ToList(); DataViewer.DataSource = results; DataViewer.DataBind(); } } </code></pre> <p><strong>aspx file</strong></p> <pre><code>&lt;asp:GridView ID="DataViewer" runat="server"&gt; &lt;Columns&gt; &lt;TemplateColumn&gt; &lt;ItemTemplate&gt; &lt;div style='width: &lt;%# Eval("OrderCount") %&gt;' /&gt; &lt;/ItemTemplate&gt; &lt;/TemplateColumn&gt; &lt;/Columns&gt; &lt;/asp:GridView&gt; </code></pre> <p><strong>Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: System.Web.UI.WebControls.DataControlFieldCollection must have items of type 'System.Web.UI.WebControls.DataControlField'. 'TemplateColumn' is of type 'System.Web.UI.HtmlControls.HtmlGenericControl</strong></p> <p><img src="https://i.stack.imgur.com/uhy0F.jpg" alt="enter image description here"></p> <pre><code> int OrderCount, OrderCountWhereNameIsNotNull; System.Web.UI.WebControls.TableRow oRow; System.Web.UI.WebControls.TableCell oCell; System.Web.UI.HtmlControls.HtmlGenericControl oDiv; while (true) //loop through records //do while not eof { oRow = new System.Web.UI.WebControls.TableRow(); oCell = new System.Web.UI.WebControls.TableCell(); oDiv = new System.Web.UI.HtmlControls.HtmlGenericControl("DIV"); OrderCount = 200; //get value from DB, convert to meaningful width OrderCountWhereNameIsNotNull = 100; //get value from DB, convert to meaningful width oDiv.InnerHtml = "&lt;div style='border: 3px solid black; width: " + OrderCount + "px;'&gt;"; oDiv.InnerHtml += Environment.NewLine + " &lt;div style='border: 0px; background-color: red; width: " + OrderCountWhereNameIsNotNull + "px;'&gt;&amp;nbsp;&lt;/div&gt;"; oDiv.InnerHtml += Environment.NewLine + "&lt;/div&gt;"; oCell.Controls.Add(oDiv); oRow.Cells.Add(oCell); tblData.Rows.Add(oRow); } </code></pre>
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    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USuser1021182
    1. USuser1021182
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. This table or related slice is empty.
 

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Guidance
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.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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