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ASPxClientCardView.UpdateEdit Method

Saves all the changes made and switches the grid to browse mode.

Declaration

UpdateEdit(): void

Remarks

End-users can update the edited card by clicking the Update command item.

Examples

To change ASPxCardView's data from the client side, there are appropriate ASPxClientCardView methods:

To save or cancel changes, there are:

The following example implements a custom defined toolbar with several ASPxButton, which perform all the editing capabilities over a grid's data source.

Note: to distinguish records, the property ASPxCardViewBehaviorSettings.AllowFocusedCard should be enabled for the grid.

    DataTable GetTable()
    {
        //You can store a DataTable in the session state
        DataTable table = Session["Table"] as DataTable;
        if (table == null)
        {
            table = new DataTable();

            DataColumn colid = table.Columns.Add("ID", typeof(Int32));
            DataColumn nameid = table.Columns.Add("Name", typeof(String));
            table.PrimaryKey = new DataColumn[] { colid };
            colid.ReadOnly = true;

            for (int i = 0; i < 23; i++)
            {
                DataRow aRow = table.NewRow();
                aRow["ID"] = i;
                aRow["Name"] = String.Format("Name{0}", i);

                table.Rows.Add(aRow);
            }
            Session["Table"] = table;
        }
        return table;
    }

    public Int32 GetLastKey()
    {
        DataTable table = GetTable();

        Int32 max = Int32.MinValue;
        foreach (DataRow row in table.Rows)
        {
            if (Convert.ToInt32(row["ID"]) > max)
                max = Convert.ToInt32(row["ID"]);
        }
        return max;
    }
    protected void Page_Init(object sender, EventArgs e)
    {
        grid.DataSource = GetTable();
        grid.KeyFieldName = "ID";
        grid.DataBind();
    }

    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void grid_InitNewCard(object sender, DevExpress.Web.Data.ASPxDataInitNewRowEventArgs e)
    {
        e.NewValues["ID"] = GetLastKey() + 1;
    }
    protected void grid_CardDeleting(object sender, DevExpress.Web.Data.ASPxDataDeletingEventArgs e)
    {
        ASPxCardView grid = sender as ASPxCardView;

        DataTable table = GetTable();
        DataRow found = table.Rows.Find(e.Keys[0]);
        table.Rows.Remove(found);

        Session["Table"] = table;

        e.Cancel = true;
    }
    protected void grid_CardInserting(object sender, DevExpress.Web.Data.ASPxDataInsertingEventArgs e)
    {
        ASPxCardView grid = sender as ASPxCardView;

        DataTable table = GetTable();
        table.Rows.Add(new Object[] { e.NewValues["ID"], e.NewValues["Name"] });

        Session["Table"] = table;

        e.Cancel = true;
        grid.CancelEdit();
    }
    protected void grid_CardUpdating(object sender, DevExpress.Web.Data.ASPxDataUpdatingEventArgs e)
    {
        ASPxCardView grid = sender as ASPxCardView;

        DataTable table = GetTable();
        DataRow found = table.Rows.Find(e.Keys[0]);
        found["Name"] = e.NewValues["Name"];

        Session["Table"] = table;

        e.Cancel = true;
        grid.CancelEdit();
    }
See Also