大家帮我看一段代码 帮忙精简一下

Question

public static void DataBindFromXml(object sender,string xmlPath){
DataSet ds=new DataSet();
ds.ReadXml(System.Web.HttpContext.Current.Server.MapPath(xmlPath));
string tableName=ds.Tables[0].TableName;
switch(sender.GetType().ToString())
{
case "System.Web.UI.WebControls.CheckBoxList":
CheckBoxList cbl=(CheckBoxList)sender;
cbl.DataSource=ds.Tables[0].DefaultView;
cbl.DataTextField="text";
cbl.DataValueField="value";
cbl.DataBind();
break;
case "System.Web.UI.WebControls.RadioButtonList":
RadioButtonList rbl=(RadioButtonList)sender;
rbl.DataSource=ds.Tables[0].DefaultView;
rbl.DataTextField="text";
rbl.DataValueField="value";
rbl.DataBind();
break;
case "System.Web.UI.WebControls.DropDownList":
DropDownList ddl=(DropDownList)sender;
ddl.DataSource=ds.Tables[0].DefaultView;
ddl.DataTextField="text";
ddl.DataValueField="value";
ddl.DataBind();
break;
default:
break;
} }
这样的代码很冗余
怎么样才能精简

Answer 1

try
public static void DataBindFromXml(object sender,string xmlPath)
{
DataSet ds=new DataSet();
ds.ReadXml(System.Web.HttpContext.Current.Server.MapPath(xmlPath));
string tableName=ds.Tables[0].TableName;
ListBoxControl cbl = sender as ListBoxControl ;
if(cbl != null)
{
cbl.DataSource=ds.Tables[0].DefaultView;
cbl.DataTextField="text";
cbl.DataValueField="value";
cbl.DataBind();
}
}

Answer 2

sorry
public static void DataBindFromXml(object sender,string xmlPath)
{
DataSet ds=new DataSet();
ds.ReadXml(System.Web.HttpContext.Current.Server.MapPath(xmlPath));
string tableName=ds.Tables[0].TableName;
ListControl cbl = sender as ListControl ;
if(cbl != null)
{
cbl.DataSource=ds.Tables[0].DefaultView;
cbl.DataTextField="text";
cbl.DataValueField="value";
cbl.DataBind();
}
}

Answer 3

public static void DataBindFromXml(object sender,string xmlPath){
DataSet ds=new DataSet();
ds.ReadXml(System.Web.HttpContext.Current.Server.MapPath(xmlPath));
string tableName=ds.Tables[0].TableName;
switch(sender.GetType().ToString())
{
case "System.Web.UI.WebControls.CheckBoxList":
CheckBoxList ddl=(CheckBoxList)sender;

break;
case "System.Web.UI.WebControls.RadioButtonList":
RadioButtonList ddl=(RadioButtonList)sender;

break;
case "System.Web.UI.WebControls.DropDownList":
DropDownList ddl=(DropDownList)sender; break;
default:
break;
}
                          ddl.DataSource=ds.Tables[0].DefaultView;
ddl.DataTextField="text";
ddl.DataValueField="value";
ddl.DataBind(); }

Answer 4

public static void DataBindFromXml(object sender,string xmlPath)
{
DataSet ds=new DataSet();
ds.ReadXml(System.Web.HttpContext.Current.Server.MapPath(xmlPath));
DataView dv = ds.Tables[0].DefaultView;
ListControl ls ;
switch(sender.GetType().ToString())
{
case "System.Web.UI.WebControls.CheckBoxList":
ls =(CheckBoxList)sender;
break;
case "System.Web.UI.WebControls.RadioButtonList":
ls=(RadioButtonList)sender;
break;
case "System.Web.UI.WebControls.DropDownList":
ls =(DropDownList)sender;
break;
default:
break;
}
ls.DataSource=dv;
ls.DataTextField="text";
ls.DataValueField="value";
ls.DataBind(); }

Answer 5

case "System.Web.UI.WebControls.CheckBoxList":
      ItemBind(((CheckBoxList)sender).Items);
      break;
case "System.Web.UI.WebControls.RadioButtonList":
      ItemBind(((RadioButtonLIst)sender).Items);
      break;
................
ItemBind(ListItemCollection items)
{
   foreach(DataRow row in ds.Tables.Rows)
   {
       items.Add(new ListItem(row["text"].ToString(),row["value"].ToString()));
   }
}

Answer 6

谢谢大家xiahouwen(武眉博<活靶子.NET>) 的代码最好！
aspdotnet2005(红枫(想找兼职)) 的想法不错！
其它的代码也行