asp.net开发常用技巧
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="http://www.knowsky.com/'../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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......
//post请求
string name = Request["name"].toString();
string name =Request.Form.Get("name").toString();
//get请求
string name = Request.QueryString["name"].toString();
但我发现 无论是否是post与get传值都可用
string name = Request["name"].toString();
表单提交中get和post方式的区别归� ......
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3.Server
4.Application
5.Session
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