请教关于自定义控件

Answer 1

using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Web.UI;
using System.Web.UI.WebControls;namespace SqlSevrver
{
    [DefaultProperty("TextBoxValue")]
    [ToolboxData("<{0}:Sql runat=server></{0}:Sql>")]
    public class SqlGridView : CompositeControl,INamingContainer 
    {
        private Label lb;
        private int lang = 6;
        private int GridViewwidth = 100;
        private int GridViewheight = 1;
        private GridView gd;
        private TextBox tb;
        private Button bt;
        [Category("SqlServer属性")]
        [Description("GridView的单元格长度(int)类型")]
        public Unit GridView1Width
        {
            get
            {
                this.EnsureChildControls();
                gd.Width = Unit.Parse(Convert.ToString(gd.Columns.Count * GridViewwidth));
                return gd.Width;
            }
            set
            {
                this.EnsureChildControls();
                GridViewwidth = Convert.ToInt32(value);            }
        }

Answer 2

  [Category("SqlServer属性")]
        [Description("GridView的单元格高度(int)类型")]
        public Unit GridViewHeight
        {
            get
            {
                this.EnsureChildControls();
                gd.Height = Unit.Parse(Convert.ToString(GridViewheight));
                return gd.Height;
            }
            set
            {
                this.EnsureChildControls();
                GridViewheight = Convert.ToInt32(value);
            }
        }
        [Category("SqlServer属性")]
        [Description("GridView中长度为X之后的数字全部用....表示")]
        public int GridViewToolTip
        {
            get
            {
                this.EnsureChildControls();                return lang;
            }
            set
            {
                this.EnsureChildControls();
                lang = Convert.ToInt32(value);
            }
        }        [Category("SqlServer属性")]
        [Description("文本框的值")]
        public string Textbox
        {
            get
            {
                this.EnsureChildControls();
                return tb.Text;
            }
            set
            {
                this.EnsureChildControls();
                tb.Text = value;
            }
        }
        [Category("SqlServer属性")]
        [Description("文本框的宽度")]
        public Unit TextBoxWeith
        {
            get
            {
                this.EnsureChildControls();
                return tb.Width;
            }
            set
            {
                this.EnsureChildControls();
                tb.Width = value;
            }
        }

Answer 3

 [Category("SqlServer属性")]
        [Description("GridView的单元格高度(int)类型")]
        public Unit GridViewHeight
        {
            get
            {
                this.EnsureChildControls();
                gd.Height = Unit.Parse(Convert.ToString(GridViewheight));
                return gd.Height;
            }
            set
            {
                this.EnsureChildControls();
                GridViewheight = Convert.ToInt32(value);
            }
        }
        [Category("SqlServer属性")]
        [Description("GridView中长度为X之后的数字全部用....表示")]
        public int GridViewToolTip
        {
            get
            {
                this.EnsureChildControls();                return lang;
            }
            set
            {
                this.EnsureChildControls();
                lang = Convert.ToInt32(value);
            }
        }        [Category("SqlServer属性")]
        [Description("文本框的值")]
        public string Textbox
        {
            get
            {
                this.EnsureChildControls();
                return tb.Text;
            }
            set
            {
                this.EnsureChildControls();
                tb.Text = value;
            }
        }