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ASP.NET Web开发实用代码(一)

  11.获取" . "后面的字符

i.ToString().Trim().Substring(i.ToString().Trim().LastIndexOf(".")+1).ToLower().Trim()

  12.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");

  12.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;}")

  13.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

  14.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;
    }
}

  15.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 + "’)");
}
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