Scrolling in ASP.NET Core Kanban Control
13 Jul 202124 minutes to read
Scrolling can be enabled by setting allow-scrolling as true. The height and width can be set to Kanban by using the properties [kanbanscroll-settings.height] and [kanbanscroll-settings.width] respectively.
NOTE
The height and width can be set in percentage and pixel. The default value for
heightandwidthin [kanbansroll-settings] is 0 and auto respectively.
Set width and height in pixel
To specify the [kanbanscroll-settings.width] and [kanbanscroll-settings.height] in pixel, by set the pixel value as integer.
The following code example describes the above behavior.
<ej-kanban id="KanbanBoard" key-field="Status" dataSource="ViewBag.datasource" allow-scrolling="true">
<e-kanbancolumns>
<e-kanbancolumn header-text="Backlog" key=@(new List<string>(){"Open"})>
</e-kanbancolumn>
<e-kanbancolumn header-text="In Progress" key=@(new List<string>() {"InProgress"})></e-kanbancolumn>
<e-kanbancolumn header-text="Done" key=@(new List<string>() {"Close"})></e-kanbancolumn>
</e-kanbancolumns>
<e-kanbanfield content="Summary" primary-key="Id" tag="tags">
</e-kanbanfield>
<e-kanbanscroll-settings width="900" height="250"></e-kanbanscroll-settings>
</ej-kanban>namespace samplebrowser.Controllers
{
public partial class KanbanBoardController : Controller
{
List<Tasks> Task = new List<Tasks>();
public ActionResult Default()
{
Task.Add(new Tasks(1, "Open", "Analyze the new requirements gathered from the customer.", "Story", "Low", "Analyze,Customer", 3.5, "Nancy", "../content/images/kanban/1.png", 1));
Task.Add(new Tasks(2, "InProgress", "Improve application performance", "Improvement", "Normal", "Improvement", 6, "Andrew Fuller", "../content/images/kanban/2.png", 1));
Task.Add(new Tasks(3, "Open", "Arrange a web meeting with the customer to get new requirements.", "Others", "Critical", "Meeting", 5.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(4, "InProgress", "Fix the issues reported in the IE browser.", "Bug", "Release Breaker", "IE", 2.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(5, "Testing", "Fix the issues reported by the customer.", "Bug", "Low", "Customer", 3.5, "Steven walker", "../content/images/kanban/5.png", 1));
Task.Add(new Tasks(6, "Close", "Arrange a web meeting with the customer to get the login page requirements.", "Others", "Low", "Meeting", 2, "Michael Suyama", "../content/images/kanban/6.png", 1));
Task.Add(new Tasks(7, "Validate", "Validate new requirements", "Improvement", "Low", "Validation", 1.5, "Robert King", "../content/images/kanban/7.png", 4));
Task.Add(new Tasks(8, "Close", "Login page validation", "Story", "Release Breaker", "Validation,Fix", 2.5, "Laura Callahan", "../content/images/kanban/8.png", 2));
Task.Add(new Tasks(9, "Testing", "Fix the issues reported in Safari browser.", "Bug", "Release Breaker", "Fix,Safari", 1.5, "Nancy", "../content/images/kanban/1.png", 2));
Task.Add(new Tasks(10, "Close", "Test the application in the IE browser.", "Story", "Low", "Testing,IE", 5.5, "Margaret", "../content/images/kanban/4.png", 3));
Task.Add(new Tasks(11, "Validate", "Validate the issues reported by the customer.", "Story", "High", "Validation,Fix", 1, "Steven walker", "../content/images/kanban/5.png", 5));
Task.Add(new Tasks(12, "Testing", "Check Login page validation.", "Story", "Release Breaker", "Testing", 0.5, "Michael Suyama", "../content/images/kanban/6.png", 3));
Task.Add(new Tasks(13, "Open", "API improvements.", "Improvement", "High", "Grid,API", 3.5, "Robert King", "../content/images/kanban/7.png", 3));
Task.Add(new Tasks(14, "InProgress", "Add responsive support to application", "Epic", "Critical", "Responsive", 6, "Laura Callahan", "../content/images/kanban/8.png", 3));
Task.Add(new Tasks(15, "Open", "Show the retrieved data from the server in grid control.", "Story", "High", "Database,SQL", 5.5, "Margaret", "../content/images/kanban/4.png", 4));
ViewBag.datasource = Task;
return View();
}
}
public class Tasks
{
public Tasks()
{
}
public Tasks(int Id, string Status, string Summary, string Type, string Priority, string Tags, double Estimate, string Assignee, string ImgUrl, int RankId)
{
this.Id = Id;
this.Status = Status;
this.Summary = Summary;
this.Type = Type;
this.Priority = Priority;
this.Tags = Tags;
this.Estimate = Estimate;
this.Assignee = Assignee;
this.ImgUrl = ImgUrl;
this.RankId = RankId;
}
public int Id { get; set; }
public string Status { get; set; }
public string Summary { get; set; }
public string Type { get; set; }
public string Priority { get; set; }
public string Tags { get; set; }
public double Estimate { get; set; }
public string Assignee { get; set; }
public string ImgUrl { get; set; }
public int RankId { get; set; }
}
}The following output is displayed as a result of the above code example.
Set height and width in percentage
To specify the [kanbanscroll-settings.width] and [kanbanscrollsettings.height] in percentage, by set the percentage value as string.
The following code example describes the above behavior.
<ej-kanban id="KanbanBoard" key-field="Status" allow-scrolling="true" dataSource="ViewBag.datasource">
<e-kanbancolumns>
<e-kanbancolumn header-text="Backlog" key=@(new List<string>(){"Open"})>
</e-kanbancolumn>
<e-kanbancolumn header-text="In Progress" key=@(new List<string>() {"InProgress"})></e-kanbancolumn>
<e-kanbancolumn header-text="Done" key=@(new List<string>() {"Close"})></e-kanbancolumn>
</e-kanbancolumns>
<e-kanbanfield content="Summary" primary-key="Id" tag="tags">
</e-kanbanfield>
<e-kanbanscroll-settings width=@("70%") height=@("70%")></e-kanbanscroll-settings>
</ej-kanban>namespace samplebrowser.Controllers
{
public partial class KanbanBoardController : Controller
{
List<Tasks> Task = new List<Tasks>();
public ActionResult Default()
{
Task.Add(new Tasks(1, "Open", "Analyze the new requirements gathered from the customer.", "Story", "Low", "Analyze,Customer", 3.5, "Nancy", "../content/images/kanban/1.png", 1));
Task.Add(new Tasks(2, "InProgress", "Improve application performance", "Improvement", "Normal", "Improvement", 6, "Andrew Fuller", "../content/images/kanban/2.png", 1));
Task.Add(new Tasks(3, "Open", "Arrange a web meeting with the customer to get new requirements.", "Others", "Critical", "Meeting", 5.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(4, "InProgress", "Fix the issues reported in the IE browser.", "Bug", "Release Breaker", "IE", 2.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(5, "Testing", "Fix the issues reported by the customer.", "Bug", "Low", "Customer", 3.5, "Steven walker", "../content/images/kanban/5.png", 1));
Task.Add(new Tasks(6, "Close", "Arrange a web meeting with the customer to get the login page requirements.", "Others", "Low", "Meeting", 2, "Michael Suyama", "../content/images/kanban/6.png", 1));
Task.Add(new Tasks(7, "Validate", "Validate new requirements", "Improvement", "Low", "Validation", 1.5, "Robert King", "../content/images/kanban/7.png", 4));
Task.Add(new Tasks(8, "Close", "Login page validation", "Story", "Release Breaker", "Validation,Fix", 2.5, "Laura Callahan", "../content/images/kanban/8.png", 2));
Task.Add(new Tasks(9, "Testing", "Fix the issues reported in Safari browser.", "Bug", "Release Breaker", "Fix,Safari", 1.5, "Nancy", "../content/images/kanban/1.png", 2));
Task.Add(new Tasks(10, "Close", "Test the application in the IE browser.", "Story", "Low", "Testing,IE", 5.5, "Margaret", "../content/images/kanban/4.png", 3));
Task.Add(new Tasks(11, "Validate", "Validate the issues reported by the customer.", "Story", "High", "Validation,Fix", 1, "Steven walker", "../content/images/kanban/5.png", 5));
Task.Add(new Tasks(12, "Testing", "Check Login page validation.", "Story", "Release Breaker", "Testing", 0.5, "Michael Suyama", "../content/images/kanban/6.png", 3));
Task.Add(new Tasks(13, "Open", "API improvements.", "Improvement", "High", "Grid,API", 3.5, "Robert King", "../content/images/kanban/7.png", 3));
Task.Add(new Tasks(14, "InProgress", "Add responsive support to application", "Epic", "Critical", "Responsive", 6, "Laura Callahan", "../content/images/kanban/8.png", 3));
Task.Add(new Tasks(15, "Open", "Show the retrieved data from the server in grid control.", "Story", "High", "Database,SQL", 5.5, "Margaret", "../content/images/kanban/4.png", 4));
ViewBag.datasource = Task;
return View();
}
}
public class Tasks
{
public Tasks()
{
}
public Tasks(int Id, string Status, string Summary, string Type, string Priority, string Tags, double Estimate, string Assignee, string ImgUrl, int RankId)
{
this.Id = Id;
this.Status = Status;
this.Summary = Summary;
this.Type = Type;
this.Priority = Priority;
this.Tags = Tags;
this.Estimate = Estimate;
this.Assignee = Assignee;
this.ImgUrl = ImgUrl;
this.RankId = RankId;
}
public int Id { get; set; }
public string Status { get; set; }
public string Summary { get; set; }
public string Type { get; set; }
public string Priority { get; set; }
public string Tags { get; set; }
public double Estimate { get; set; }
public string Assignee { get; set; }
public string ImgUrl { get; set; }
public int RankId { get; set; }
}
}The following output is displayed as a result of the above code example.
Set width as auto
Specify width property of [kanbanscroll-settings] as auto, then the scrollbar is rendered only when the Kanban width exceeds the browser window width.
The following code example describes the above behavior.
<ej-kanban id="KanbanBoard" key-field="Status" allow-scrolling="true" dataSource="ViewBag.datasource">
<e-kanbancolumns>
<e-kanbancolumn header-text="Backlog" key=@(new List<string>(){"Open"})>
</e-kanbancolumn>
<e-kanbancolumn header-text="In Progress" key=@(new List<string>() {"InProgress"})></e-kanbancolumn>
<e-kanbancolumn header-text="Done" key=@(new List<string>() {"Close"})></e-kanbancolumn>
</e-kanbancolumns>
<e-kanbanfield content="Summary" primary-key="Id" tag="tags">
</e-kanbanfield>
<e-kanbanscroll-settings width=@("auto") height="300"></e-kanbanscroll-settings>
</ej-kanban>namespace samplebrowser.Controllers
{
public partial class KanbanBoardController : Controller
{
List<Tasks> Task = new List<Tasks>();
public ActionResult Default()
{
Task.Add(new Tasks(1, "Open", "Analyze the new requirements gathered from the customer.", "Story", "Low", "Analyze,Customer", 3.5, "Nancy", "../content/images/kanban/1.png", 1));
Task.Add(new Tasks(2, "InProgress", "Improve application performance", "Improvement", "Normal", "Improvement", 6, "Andrew Fuller", "../content/images/kanban/2.png", 1));
Task.Add(new Tasks(3, "Open", "Arrange a web meeting with the customer to get new requirements.", "Others", "Critical", "Meeting", 5.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(4, "InProgress", "Fix the issues reported in the IE browser.", "Bug", "Release Breaker", "IE", 2.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(5, "Testing", "Fix the issues reported by the customer.", "Bug", "Low", "Customer", 3.5, "Steven walker", "../content/images/kanban/5.png", 1));
Task.Add(new Tasks(6, "Close", "Arrange a web meeting with the customer to get the login page requirements.", "Others", "Low", "Meeting", 2, "Michael Suyama", "../content/images/kanban/6.png", 1));
Task.Add(new Tasks(7, "Validate", "Validate new requirements", "Improvement", "Low", "Validation", 1.5, "Robert King", "../content/images/kanban/7.png", 4));
Task.Add(new Tasks(8, "Close", "Login page validation", "Story", "Release Breaker", "Validation,Fix", 2.5, "Laura Callahan", "../content/images/kanban/8.png", 2));
Task.Add(new Tasks(9, "Testing", "Fix the issues reported in Safari browser.", "Bug", "Release Breaker", "Fix,Safari", 1.5, "Nancy", "../content/images/kanban/1.png", 2));
Task.Add(new Tasks(10, "Close", "Test the application in the IE browser.", "Story", "Low", "Testing,IE", 5.5, "Margaret", "../content/images/kanban/4.png", 3));
Task.Add(new Tasks(11, "Validate", "Validate the issues reported by the customer.", "Story", "High", "Validation,Fix", 1, "Steven walker", "../content/images/kanban/5.png", 5));
Task.Add(new Tasks(12, "Testing", "Check Login page validation.", "Story", "Release Breaker", "Testing", 0.5, "Michael Suyama", "../content/images/kanban/6.png", 3));
Task.Add(new Tasks(13, "Open", "API improvements.", "Improvement", "High", "Grid,API", 3.5, "Robert King", "../content/images/kanban/7.png", 3));
Task.Add(new Tasks(14, "InProgress", "Add responsive support to application", "Epic", "Critical", "Responsive", 6, "Laura Callahan", "../content/images/kanban/8.png", 3));
Task.Add(new Tasks(15, "Open", "Show the retrieved data from the server in grid control.", "Story", "High", "Database,SQL", 5.5, "Margaret", "../content/images/kanban/4.png", 4));
ViewBag.datasource = Task;
return View();
}
}
public class Tasks
{
public Tasks()
{
}
public Tasks(int Id, string Status, string Summary, string Type, string Priority, string Tags, double Estimate, string Assignee, string ImgUrl, int RankId)
{
this.Id = Id;
this.Status = Status;
this.Summary = Summary;
this.Type = Type;
this.Priority = Priority;
this.Tags = Tags;
this.Estimate = Estimate;
this.Assignee = Assignee;
this.ImgUrl = ImgUrl;
this.RankId = RankId;
}
public int Id { get; set; }
public string Status { get; set; }
public string Summary { get; set; }
public string Type { get; set; }
public string Priority { get; set; }
public string Tags { get; set; }
public double Estimate { get; set; }
public string Assignee { get; set; }
public string ImgUrl { get; set; }
public int RankId { get; set; }
}
}The following output is displayed as a result of the above code example.
Enabling freeze swim lane
Set allow-freeze-swimlane as true. This enables scrolling with freezing of swim lane until you scroll to the next Swim lane, which helps user to aware of current swim lane target.
The following code example describes the above behavior.
<ej-kanban id="KanbanBoard" key-field="Status" allow-scrolling="true" dataSource="ViewBag.datasource">
<e-kanbancolumns>
<e-kanbancolumn header-text="Backlog" key=@(new List<string>(){"Open"})>
</e-kanbancolumn>
<e-kanbancolumn header-text="In Progress" key=@(new List<string>() {"InProgress"})></e-kanbancolumn>
<e-kanbancolumn header-text="Done" key=@(new List<string>() {"Close"})></e-kanbancolumn>
</e-kanbancolumns>
<e-kanbanfield content="Summary" primary-key="Id" tag="Tags" swimlane-key="Assignee">
</e-kanbanfield>
<e-kanbanscroll-settings width=@("auto") height="500" allow-freeze-swimlane="true"></e-kanbanscroll-settings>
</ej-kanban>namespace samplebrowser.Controllers
{
public partial class KanbanBoardController : Controller
{
List<Tasks> Task = new List<Tasks>();
public ActionResult Default()
{
Task.Add(new Tasks(1, "Open", "Analyze the new requirements gathered from the customer.", "Story", "Low", "Analyze,Customer", 3.5, "Nancy", "../content/images/kanban/1.png", 1));
Task.Add(new Tasks(2, "InProgress", "Improve application performance", "Improvement", "Normal", "Improvement", 6, "Andrew Fuller", "../content/images/kanban/2.png", 1));
Task.Add(new Tasks(3, "Open", "Arrange a web meeting with the customer to get new requirements.", "Others", "Critical", "Meeting", 5.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(4, "InProgress", "Fix the issues reported in the IE browser.", "Bug", "Release Breaker", "IE", 2.5, "Janet Leverling", "../content/images/kanban/3.png", 2));
Task.Add(new Tasks(5, "Testing", "Fix the issues reported by the customer.", "Bug", "Low", "Customer", 3.5, "Steven walker", "../content/images/kanban/5.png", 1));
Task.Add(new Tasks(6, "Close", "Arrange a web meeting with the customer to get the login page requirements.", "Others", "Low", "Meeting", 2, "Michael Suyama", "../content/images/kanban/6.png", 1));
Task.Add(new Tasks(7, "Validate", "Validate new requirements", "Improvement", "Low", "Validation", 1.5, "Robert King", "../content/images/kanban/7.png", 4));
Task.Add(new Tasks(8, "Close", "Login page validation", "Story", "Release Breaker", "Validation,Fix", 2.5, "Laura Callahan", "../content/images/kanban/8.png", 2));
Task.Add(new Tasks(9, "Testing", "Fix the issues reported in Safari browser.", "Bug", "Release Breaker", "Fix,Safari", 1.5, "Nancy", "../content/images/kanban/1.png", 2));
Task.Add(new Tasks(10, "Close", "Test the application in the IE browser.", "Story", "Low", "Testing,IE", 5.5, "Margaret", "../content/images/kanban/4.png", 3));
Task.Add(new Tasks(11, "Validate", "Validate the issues reported by the customer.", "Story", "High", "Validation,Fix", 1, "Steven walker", "../content/images/kanban/5.png", 5));
Task.Add(new Tasks(12, "Testing", "Check Login page validation.", "Story", "Release Breaker", "Testing", 0.5, "Michael Suyama", "../content/images/kanban/6.png", 3));
Task.Add(new Tasks(13, "Open", "API improvements.", "Improvement", "High", "Grid,API", 3.5, "Robert King", "../content/images/kanban/7.png", 3));
Task.Add(new Tasks(14, "InProgress", "Add responsive support to application", "Epic", "Critical", "Responsive", 6, "Laura Callahan", "../content/images/kanban/8.png", 3));
Task.Add(new Tasks(15, "Open", "Show the retrieved data from the server in grid control.", "Story", "High", "Database,SQL", 5.5, "Margaret", "../content/images/kanban/4.png", 4));
ViewBag.datasource = Task;
return View();
}
}
public class Tasks
{
public Tasks()
{
}
public Tasks(int Id, string Status, string Summary, string Type, string Priority, string Tags, double Estimate, string Assignee, string ImgUrl, int RankId)
{
this.Id = Id;
this.Status = Status;
this.Summary = Summary;
this.Type = Type;
this.Priority = Priority;
this.Tags = Tags;
this.Estimate = Estimate;
this.Assignee = Assignee;
this.ImgUrl = ImgUrl;
this.RankId = RankId;
}
public int Id { get; set; }
public string Status { get; set; }
public string Summary { get; set; }
public string Type { get; set; }
public string Priority { get; set; }
public string Tags { get; set; }
public double Estimate { get; set; }
public string Assignee { get; set; }
public string ImgUrl { get; set; }
public int RankId { get; set; }
}
}The following output is displayed as a result of the above code example.
NOTE
allow-freeze-swimlaneis applicable when swim lane grouping enabled by settingswimlane-key.