Databases
StackOverflow2013
Postsdbo
POASP.NET GridView not updating or deleting with EntityDataSource
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POASP.NET GridView not updating or deleting with EntityDataSource
    primarykey
    data
    text
    <p>I am developing a ASP.NET web custom control, which inherits from System.Web.Ui.WebControls.GridView.</p> <p>Here is the source code:</p> <pre><code> public sealed class FaqListEditor : GridView { private readonly string _connectionString; private readonly EntityDataSource _faqEntityDataSource = new EntityDataSource(); public FaqListEditor() { _connectionString = ConfigurationManager.ConnectionStrings["FaqEntities"] != null ? ConfigurationManager.ConnectionStrings["FaqEntities"].ConnectionString : null; this.InitilizeDataSource(); this.InitializeGrid(); this.InitializeGridColumns(); this.InitializeGridEvents(); } private void InitilizeDataSource() { this._faqEntityDataSource.AutoPage = true; this._faqEntityDataSource.AutoSort = true; this._faqEntityDataSource.ConnectionString = this._connectionString; this._faqEntityDataSource.DefaultContainerName = "FaqEntities"; this._faqEntityDataSource.EnableInsert = true; this._faqEntityDataSource.EnableUpdate = true; this._faqEntityDataSource.EnableDelete = true; this._faqEntityDataSource.EntitySetName = "FaqItems"; this._faqEntityDataSource.EntityTypeFilter = "FaqItem"; this._faqEntityDataSource.Include = "FaqCategory"; } private void InitializeGrid() { this.AllowPaging = true; this.AllowSorting = true; this.AutoGenerateColumns = false; this.AutoGenerateEditButton = false; this.DataKeyNames = new[] { "Id" }; this.ShowHeaderWhenEmpty = true; this.ShowHeader = true; this.ShowFooter = true; } private void InitializeGridEvents() { this.RowEditing += this.HandleRowEditing; this.RowUpdating += this.HandleRowUpdating; this.RowDeleting += this.HandleRowDeleting; this.RowCancelingEdit += this.HandleRowCancelingEdit; } private void InitializeGridColumns() { this.Columns.Add(new CommandField { ButtonType = ButtonType.Link, ShowDeleteButton = true, ShowInsertButton = true, ShowEditButton = true, ShowCancelButton = true }); this.Columns.Add(new BoundField { DataField = "CategoryId", HeaderText = "CategoryId", SortExpression = "CategoryId" }); this.Columns.Add(new BoundField { DataField = "Question", HeaderText = "Question", SortExpression = "Question" }); this.Columns.Add(new BoundField { DataField = "Answer", HeaderText = "Answer", SortExpression = "Answer" }); this.Columns.Add(new TemplateField { HeaderText = "Start Date", SortExpression = "StartDate", ItemTemplate = new DateTimePickerTemplate(ListItemType.Item, "StartDate"), EditItemTemplate = new DateTimePickerTemplate(ListItemType.EditItem, "StartDate") }); this.Columns.Add(new TemplateField { HeaderText = "End Date", SortExpression = "EndDate", ItemTemplate = new DateTimePickerTemplate(ListItemType.Item, "EndDate"), EditItemTemplate = new DateTimePickerTemplate(ListItemType.EditItem, "EndDate") }); this.Columns.Add(new CheckBoxField { DataField = "IsPublished", HeaderText = "Published", SortExpression = "IsPublished" }); } private void InitializeBinding() { this.DataSource = this._faqEntityDataSource; this.DataBind(); } private void HandleRowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { e.Cancel = true; ((GridView)sender).EditIndex = -1; this.InitializeBinding(); } private void HandleRowEditing(object sender, GridViewEditEventArgs e) { ((GridView)sender).EditIndex = e.NewEditIndex; this.InitializeBinding(); } private void HandleRowDeleting(object sender, GridViewDeleteEventArgs e) { ((GridView)sender).EditIndex = -1; this.InitializeBinding(); } private void HandleRowUpdating(object sender, GridViewUpdateEventArgs e) { GridViewRow row = Rows[e.RowIndex]; ((GridView)sender).EditIndex = -1; this.InitializeBinding(); } protected override void OnInit(EventArgs e) { if (!this.Page.IsPostBack) this.InitializeBinding(); } } </code></pre> <p>}</p> <p>Basically, I manage to retrieve data and to display. I am also able to switch the gridview to editmode. However, when I press the row "save" command, nothing happens. The page is reloaded and the gridview remains in edit mode. (the GridView Updating event is not even fired!)</p> <p>Can you see any evident error in the code?<br>Any suggestion?</p>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USGianluca Colucci
    1. USGianluca Colucci
    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. This table or related slice is empty.
    1. VO
      singulars
      1. POASP.NET GridView not updating or deleting with EntityDataSource
      1. This table or related slice is empty.
      1. VTUpMod
    1. This table or related slice is empty.
 

Querying!

 
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.

SQuiL has stopped working due to an internal error.

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

Reload