The Db.InsertTask() method creates a new task in the database. Gantt.UpdateWithMessage("Task created.", CallBackUpdateType.Full) VB Protected Sub Gantt_OnRowCreate(ByVal sender As Object, ByVal e As RowCreateEventArgs)ĭim maxOrdinal As Integer = Db.GetMaxOrdinal(Nothing)ĭb.InsertTask(start,, text, Nothing, maxOrdinal + 1) This Gantt_OnRowCreate event handler will create a new database record and refresh the view.Ĭ# protected void Gantt_OnRowCreate(object sender, RowCreateEventArgs e)ĭb.InsertTask(start, end, text, null, maxOrdinal + 1) In order to create a new task in the database, we need to add a handler for the RowCreate event.
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How to Create a New Gantt Task in the ASP.NET Gantt Chart VB Public Shared Function GetTasksFlat() As DataTableĭim da As New SqlDataAdapter("SELECT * FROM order by, desc", ConfigurationManager.ConnectionStrings("daypilot").ConnectionString) SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM order by, desc", ) The Db.GetTasksFlat() method loads the flat task data.Ĭ# public static DataTable GetTasksFlat() VB Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) The ASP.NET Gantt chart control will let you specify the field names and load the tree hierarchy from a flat data source.Ĭ# protected void Page_Load(object sender, EventArgs e) Parent_id - id of the task parent, null for the root tasks In order to display the task hierarchy we need to following fields: We will use the following table to store the tasks in the database: CREATE TABLE. How to Connect the Gantt Chart Control to a Database Īs soon as the users finishes entering the new row name the ASP.NET Gantt chart control will fire RowCreate event. We will come back to RowCreate event handler later, as soon as we connect the Gantt chart to a database. The CallBack handling type means the Gantt control will call the server-side RowCreate event using an AJAX CallBack. Now we will enable row creating using RowCreateHandling property: RowCreateHandling="CallBack"
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We will use the ASP.NET Gantt Chart control from DayPilot Pro for ASP.NET WebForms package. You can use the source code of the tutorial if you are a licensed user of DayPilot Pro for ASP.NET WebForms. Licensed for testing and evaluation purposes. Includes a trial version of DayPilot Pro for ASP.NET WebForms Drag and drop (task moving, resizing, link creating, row moving)Ĭontext menu for task creating and deleting
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