У меня есть похожая заготовка. Может поможет. Тут тоже две панели, и в каждой по одному лабелу. Думаю разберёшься. | Код |
using System;
using System.ComponentModel;
using System.Drawing;
using System.Security.Permissions;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace MessagePanelControlLibrary
{
[
AspNetHostingPermission(SecurityAction.Demand,
Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand,
Level = AspNetHostingPermissionLevel.Minimal)]
[DefaultProperty("MessageLabelText")]
[ToolboxData("<{0}:MessageComponent runat=server></{0}:MessageComponent>")]
public class MessageComponent : CompositeControl
{
private bool ControlsCreated = false;
private Panel InfoPanel;
private Label InfoLabel;
private Panel MessagePanel;
private Label MessageLabel;
#region AppearanceRegion
[
Bindable(true),
Category("Appearance"),
DefaultValue(""),
Description("The text to display on the InfoLabel.")
]
public string InfoLabelText
{
get
{
EnsureChildControls();
return InfoLabel.Text;
}
set
{
EnsureChildControls();
InfoLabel.Text = value.Replace("\n", "<br />");
}
}
[
Bindable(true),
Category("Appearance"),
DefaultValue(""),
Description("The text to display on the MessageLabel.")
]
public string MessageLabelText
{
get
{
EnsureChildControls();
return MessageLabel.Text;
}
set
{
EnsureChildControls();
MessageLabel.Text = value.Replace("\n", "<br />");
}
}
[
Bindable(true),
Category("Appearance"),
DefaultValue(""),
Description("The BackColor property of InfoPanel.")
]
public Color InfoPanelBackColor
{
get
{
EnsureChildControls();
return InfoPanel.BackColor;
}
set
{
EnsureChildControls();
InfoPanel.BackColor = value;
}
}
[
Bindable(true),
Category("Appearance"),
DefaultValue(""),
Description("The BackColor property of MessagePanel.")
]
public Color MessagePanelBackColor
{
get
{
EnsureChildControls();
return MessagePanel.BackColor;
}
set
{
EnsureChildControls();
MessagePanel.BackColor = value;
}
}
[
Bindable(true),
Category("Appearance"),
DefaultValue(""),
Description("The BorderColor of panels.")
]
public Color PanelsBorderColor
{
get
{
EnsureChildControls();
return MessagePanel.BorderColor;
}
set
{
EnsureChildControls();
MessagePanel.BorderColor = value;
InfoPanel.BorderColor = value;
}
}
[
Bindable(true),
Category("Appearance"),
DefaultValue(""),
Description("The BorderStyle of panels.")
]
public BorderStyle PanelsBorderStyle
{
get
{
EnsureChildControls();
return MessagePanel.BorderStyle;
}
set
{
EnsureChildControls();
MessagePanel.BorderStyle = value;
InfoPanel.BorderStyle = value;
}
}
#endregion
protected override void RecreateChildControls()
{
EnsureChildControls();
}
protected override void CreateChildControls()
{
Controls.Clear();
InfoLabel = new Label();
InfoLabel.ID = "InfoLabel";
InfoLabel.Text = "InfoLabel";
InfoPanel = new Panel();
InfoPanel.ID = "InfoPanel";
InfoPanel.Controls.Add(InfoLabel);
InfoPanel.BackColor = Color.Aqua;
InfoPanel.Width = Unit.Pixel(100);
MessageLabel = new Label();
MessageLabel.ID = "MessageLabel";
MessageLabel.Text = "MessageLabel";
MessagePanel = new Panel();
MessagePanel.ID = "MessagePanel";
MessagePanel.Controls.Add(MessageLabel);
MessagePanel.BackColor = Color.Red;
MessagePanel.Width = Unit.Pixel(400);
this.Controls.Add(InfoPanel);
this.Controls.Add(MessagePanel);
ControlsCreated = true;
}
protected override void Render(HtmlTextWriter writer)
{
if (!ControlsCreated)
CreateChildControls();
AddAttributesToRender(writer);
//writer.AddAttribute(HtmlTextWriterAttribute.Bordercolor, "black");
//writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
//writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "0");
//writer.AddAttribute(HtmlTextWriterAttribute.Border, "solid");
writer.RenderBeginTag(HtmlTextWriterTag.Table);
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
InfoPanel.RenderControl(writer);
writer.RenderEndTag();
writer.RenderBeginTag(HtmlTextWriterTag.Td);
MessagePanel.RenderControl(writer);
writer.RenderEndTag();
writer.RenderEndTag();
writer.RenderEndTag();
}
}
}
|
Как ты видишь, панели рисуються в ячейкаж простой html таблицы. writer.RenderBeginTag(HtmlTextWriterTag.Tr) - начинает новую строку writer.RenderBeginTag(HtmlTextWriterTag.Td) - начинает новый столбец writer.RenderEndTag() - закрывает открытый тэг |
Render контрола 
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