DataGrid 表格类

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;


namespace my
...{
    /**//// <summary>
    /// MyGrid 的摘要说明。
    /// </summary>
    public class MyGrid
    ...{
        public MyGrid()
        ...{
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        public static DataGrid GetGrid()
        ...{
            DataGrid gd=new DataGrid();
            gd.BorderColor=ColorTranslator.FromHtml("#CC9966");
            //Color.Blue;//."#CC9966";
            gd.BorderColor=ColorTranslator.FromHtml("#CC9966");
            //gd.BorderStyle=None;
            gd.BorderStyle=BorderStyle.None;
            gd.BorderWidth=1;
            gd.BackColor=Color.White;
            gd.CellPadding=3;
            gd.Style["Width"]="100%";
            //gd.Width=500;
            gd.HeaderStyle.CssClass="HeadStyle";
            gd.ItemStyle.CssClass="ItemStyle";
            gd.AlternatingItemStyle.CssClass="AtemStyle";
            gd.SelectedItemStyle.CssClass="SeleStyle";
            gd.FooterStyle.CssClass="FootStyle";
            gd.PagerStyle.CssClass="PageStyle";
            return gd;
        }
        /**//// <summary>
        /// 动态加载数据列，colname 数据库列的字段；DataGrid 其中 str：字段名
        /// _id:控件的 id
        /// _str:控件绑定的字段值，如果为空 显示 表格的序号
        /// </summary>
        public class myColumn : ITemplate  
        ...{  
            private string _id;
            private string _str;
            public myColumn(string id,string str)
            ...{
                _id=id;
                _str=str;
            }
            public void InstantiateIn(Control container)        
            ...{  
                /**//*Label l=new Label();  
                l.ID=_id;
                //l.Text=_str;
                l.DataBinding += new EventHandler(this.myBind);
                container.Controls.Add(l);  
                */
                LiteralControl l = new LiteralControl();
                l.DataBinding += new EventHandler(this.myBind);
                container.Controls.Add(l);

            }  
            public void myBind(object sender,EventArgs e)
            ...{
                /**//*Label l=(Label)sender;
                l.Text=sender.ToString();
                */
                LiteralControl l = (LiteralControl)sender;
                l.ID=_id;
                //将控件转化成 DataGridItem
                DataGridItem   container   =   (DataGridItem)l.NamingContainer;
                
                if(_str!="")
                    l.Text   =   ((DataRowView)container.DataItem)[_str].ToString();//绑定 DataGrid 数据字段
                else
                    l.Text=(container.DataSetIndex+1).ToString();//显示 表格的 序号
            }
        }

        public class myCheck:ITemplate
        ...{
            private string _id;
            private string _val;
            public myCheck(string id,string val)
            ...{
                this._id=id;
                this._val=val;
            }
            public void InstantiateIn(Control container)
            ...{
                CheckBox ck=new CheckBox();
                ck.DataBinding+=new EventHandler(this.BindData);
                container.Controls.Add(ck);
            }
            public void BindData(object sender,EventArgs e)
            ...{
                CheckBox ck=(CheckBox)sender;
                DataGridItem conrs=(DataGridItem)ck.NamingContainer;
                //ck.Text=((DataRowView)conrs.DataItem)[_val].ToString();
                ck.ID=_id;
                //ck.Attributes.Add("onclick","myck(this);");
            }
        }
        /**//// <summary>
        /// 动态加载数据列，colname 数据库列的字段；DataGrid 其中 str：字段名
        /// 绑定的是一个 TextBox 控件
        /// </summary>
        public   class   GenericItem   :   ITemplate   
        ...{   
            private   string   column;   
            public   GenericItem(string   column)   
            ...{   
                this.column   =   column;   
            }   
            public   void   InstantiateIn(Control   container)   
            ...{   
                TextBox   txt   =   new   TextBox();   
                txt.DataBinding   +=   new   EventHandler(this.BindData);   
                container.Controls.Add(txt);   
            }   
        
            public   void   BindData(object   sender,   EventArgs   e)   
            ...{   
                TextBox   txt   =   (TextBox)sender;   
                DataGridItem   container   =   (DataGridItem)txt.NamingContainer;   
                txt.Text   =   ((DataRowView)container.DataItem)[column].ToString();   
            }   
        }   

        /**//// <summary>
        /// 动态加载数据列，colname 数据库列的字段；
        /// 应用到 vs 2005 中的 dataview 中
        /// </summary>
        public class MyTemplate:ITemplate
        ...{
            private string colname;
            public MyTemplate(string colname)
            ...{
                this.colname = colname;
            }
            public void InstantiateIn(Control container)
            ...{
                LiteralControl l = new LiteralControl();
                l.DataBinding += new EventHandler(this.OnDataBinding);
                container.Controls.Add(l);
            }
            public void OnDataBinding(object sender, EventArgs e)
            ...{
                LiteralControl l = (LiteralControl)sender;
                //GridViewRow container = (GridViewRow)l.NamingContainer;
                //l.Text = ((DataRowView)container.DataItem)[colname].ToString();
            }
        }
    }


}