ASP.NET 程序中常用的三十三种代码

添加人:iyond六级(3301分)   添加时间:2007-04-26    阅读次数:15213  收藏此教程

    1. 打开新的窗口并传送参数:  
传送参数:

response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") 
  接收参数: 

string a = Request.QueryString("id"); 
string b = Request.QueryString("id1"); 


  2.为按钮添加对话框

Button1.Attributes.Add("onclick","return confirm(’确认?’)"); 
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") 

  3.删除表格选定记录

int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; 
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 


  4.删除表格记录警告

private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) 
{ 
 switch(e.Item.ItemType) 
 { 
  case ListItemType.Item : 
  case ListItemType.AlternatingItem : 
  case ListItemType.EditItem: 
   TableCell myTableCell; 
   myTableCell = e.Item.Cells[14]; 
   LinkButton myDeleteButton ; 
   myDeleteButton = (LinkButton)myTableCell.Controls[0]; 
   myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); 
   break; 
  default: 
   break; 
 } 

} 


  5.点击表格行链接另一页

private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) 
{ 
 //点击表格打开 
 if (e.Item.ItemType == ListItemType.Item e.Item.ItemType == ListItemType.AlternatingItem) 
  e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); 
} 

  双击表格连接到另一页

  在itemDataBind事件中

if(e.Item.ItemType == ListItemType.Item e.Item.ItemType == ListItemType.AlternatingItem) 
{ 
 string OrderItemID =e.item.cells[1].Text; 
 ... 
 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + ""); 
} 

  双击表格打开新一页

if(e.Item.ItemType == ListItemType.Item e.Item.ItemType == ListItemType.AlternatingItem) 
{ 
 string OrderItemID =e.item.cells[1].Text; 
 ... 
 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); 
} 

6.表格超连接列传递参数

<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=' 
 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>' & name='<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>' /> 


  7.表格点击改变颜色

if (e.Item.ItemType == ListItemType.Item e.Item.ItemType == ListItemType.AlternatingItem) 
{ 
    e.Item.Attributes.Add("onclick","this.style.backgroundColor='#99cc00';this.style.color='buttontext';this.style.cursor='default';"); 
} 

  写在DataGrid的_ItemDataBound里

if (e.Item.ItemType == ListItemType.Item e.Item.ItemType == ListItemType.AlternatingItem) 
{ 
	e.Item.Attributes.Add("onmouseover","this.style.backgroundColor='#99cc00';this.style.color='buttontext';this.style.cursor='default';"); 
	e.Item.Attributes.Add("onmouseout","this.style.backgroundColor='';this.style.color='';"); 
} 

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