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.NET常用功能和代码(1)

  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

  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 + "')");

  }

  ★特别注意:【?id=】 处不能为 【?id =】

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