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ASP.NET(C#)常用代码30例

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 ;
   myDelete ......

ASP.NET(C#)常用代码30例

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 ;
   myDelete ......

Asp.net弹出窗口大全

 
Dim strScript As String = "<Script Language='VBScript'>" &vbCrLf
strScript &= "opener.parent.document.location.href=""" &"../Individual/UserJobs.aspx?EntityTableID=" &Request("EntityTableID") &"&ListID=" &BLL.TableType.Entity &"&OrgID=" &Request("OrgID") &"&TableID=" &oRightGroupAccessTableView.TemplateTable.TableID &IIf(Request("RecordID") Is Nothing, "", "&RecordID=" &Request("RecordID")) &"""" &vbCrLf
strScript &= "</Script>" &vbCrLf
Response.Write(strScript)
//关闭,父窗口弹出对话框,子窗口直接关闭
this.Response.Write("<script language=javascript>window.close();</script>");
//关闭,父窗口和子窗口都不弹出对话框,直接关闭
this.Response.Write("<script>");
this.Response.Write("{top.opener =null;top.close();}");
this.Response.Write("</script>");
//弹出窗口刷新当前页面width=200 height=200菜单。菜单栏,工具条,地址栏,状态栏全没有
this.Response.Write("<script ......

asp.net的XML通用操作类

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Xml;
/// <summary>
///Xml 的摘要说明
/// </summary>
public class Xml
{
    public Xml()
    {
        //
        //TODO: 在此处添加构造函数逻辑
        //
    }
    /// <summary>
    /// XML资源类型
    /// </summary>
    public enum XmlType
    {
        File,
        String
    };
    #region 读取XML资源到DataSet中
 &nb ......

asp.net的XML通用操作类

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Xml;
/// <summary>
///Xml 的摘要说明
/// </summary>
public class Xml
{
    public Xml()
    {
        //
        //TODO: 在此处添加构造函数逻辑
        //
    }
    /// <summary>
    /// XML资源类型
    /// </summary>
    public enum XmlType
    {
        File,
        String
    };
    #region 读取XML资源到DataSet中
 &nb ......

Asp.net 读取EXCEL2007/2003 数据

Public DataTable GetDataTablefromExcel(string fileName,string tableName )
{
string connStr = "Provider=Microsoft.ACE.OLEDB.12.0; Persist Security Info=False;Extended Properties=Excel 8.0; data source=文件路径" 
string sql = "SELECT * from [" + tableName + "]";
OleDbConnection conn = new OleDbConnection(connStr);
try
{
   conn.Open();
   DataSet ds = new DataSet();
   OleDbDataAdapter da = new OleDbDataAdapter(sql, connStr);
   da.Fill(ds);
}
catch (Exception)
{
     throw;
}
finally
{
    conn.Close();
}
}
 
Microsoft.ACE.OLEDB.12.0:odbc驱动程序可以读取*.xls,*.xlsx,*.xlsm,*.xlsb格式的文件。 ......

ASP.NET页面刷新的实现方法

先看看ASP.NET页面刷新的实现方法:
第一:
private void Button1_Click( object sender, System.EventArgs e ) { Response.Redirect( Request.Url.ToString( ) ); } 第二:
private void Button2_Click( object sender, System.EventArgs e ) { Response.Write( " < script language=javascript>window.location.href=document.URL; < /script>" ); } 第三:
private void Button3_Click( object sender, System.EventArgs e ) { Response.AddHeader( "Refresh","0" ); } 第四:
private void Button6_Click( object sender, System.EventArgs e ) { //好像有些不对? //Response.Write( " < script language=javascript>window.location.reload( ); < /script>" ); } 第五:
< script>< !-- var limit="3:00" if ( document.images ) { var parselimit=limit.split( ":" )parselimit=parselimit[0]*60+parselimit[1]*1 } function beginrefresh( ) { if ( !document.images )returnif ( parselimit==1 )window.location.reload( )else { parselimit-=1curmin=Math.floor( parselimit/60 )cursec=parselimit%60if ( curmin!=0 ) ......

ASP.NET中防止页面多次提交的代码

此处提供的代码用来实现当asp.net页面中的某个Button被点击后disable掉该页面中所有的Button,从而防止提交延时导致的多次提交。基于之前的onceclickbutton脚本.
//ASP.NET中防止页面多次提交的代码:javascript< script language="javascript"> < !-- function disableOtherSubmit() {
var obj = event.srcElement;
var objs = document.getElementsByTagName('INPUT');
for(var i=0; i< objs.length; i++)
{
if(objs[i].type.toLowerCase() == 'submit')
{
objs[i].disabled = true;
}
}
} //--> < /script>//ASP.NET中防止页面多次提交的代码:asp.netpublic class PreventMultiClick : System.Web.UI.Page {
protected System.Web.UI.WebControls.Button Button1; protected System.Web.UI.WebControls.Button Button2;
protected System.Web.UI.WebControls.LinkButton LinkButton1; protected System.Web.UI.WebControls.Button Button3; private void Page_Load(object sender, System.EventArgs e)
{
this.GetPostBackEventReference(this.Button3);
//保证 __doPostBack(eventTarget, eventArgument) 正确注册 if ......
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