正在閱讀:ASP.Net開(kāi)發(fā)新手常見(jiàn)問(wèn)題備忘錄ASP.Net開(kāi)發(fā)新手常見(jiàn)問(wèn)題備忘錄

2005-08-09 10:05 出處: 作者:JadyZhu 責(zé)任編輯:xietaoming

  一位ASP.net初學(xué)者學(xué)習(xí)過(guò)程中整理的備忘錄,包括“打開(kāi)新的窗口并傳送參數(shù),為按鈕添加對(duì)話框,刪除表格選定記錄,刪除表格記錄警告”等等常見(jiàn)問(wèn)題的解決方法。

1. 打開(kāi)新的窗口并傳送參數(shù):

  傳送參數(shù):

response.write("<script>window.open
('*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"')</script>")

  接收參數(shù):

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

2.為按鈕添加對(duì)話框

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

3.刪除表格選定記錄

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

4.刪除表格記錄警告

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('您是否確定要?jiǎng)h除這條信息');");
    break;
  default:
   break;
 }
}

5.點(diǎn)擊表格行鏈接另一頁(yè)

private void grdCustomer_ItemDataBound
(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
//點(diǎn)擊表格打開(kāi)
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 + "');");
}

  雙擊表格連接到另一頁(yè),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 + "'");
}

  雙擊表格打開(kāi)新一頁(yè)

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 + "')");
}

  ★特別注意:【?id=】 處不能為 【?id =】

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