碰到过虚拟主机提供商不能及时解决你的问题吗? 有时更改一个字段都要联系n次吗? 不知道大家有没有为这些事烦恼,狂不爽以后,我想到要是自己能远程操作sql服务器该有多好~~~~ (坏笑。。。)
于是想到了sql中的osql程序,它是一个没有UI界面的查询分析器,不仅能以命令行模式来调用sql语句,还可以运行储存在文件中的sql语句,思路出来了,先将在文本框中输入的sql语句写入磁盘,在通过osql调用,用完删掉。
以下是运行截图:
1 input.aspx
2 有返回数据集的结果页面
3 执行存储过程的界面(因为osql程序需要参数,所以自己填啦)
先建立ExcuteSQL工程,程序代码:
input.aspx
<%@ Page language="c#" Codebehind="Input.aspx.cs" AutoEventWireup="false" Inherits="ExcuteSQL.Input" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Input</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<style type="text/css">
BODY { FONT-SIZE: 11px }
TD { FONT-SIZE: 11px }
TH { FONT-SIZE: 11px }
</style>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<asp:TextBox id="TextBox1" style="Z-INDEX: 101; LEFT: 24px; POSITION: absolute; TOP: 8px" runat="server"
Width="700px" Height="340px" TextMode="MultiLine"></asp:TextBox>
<asp:RadioButtonList id="rbl" style="Z-INDEX: 103; LEFT: 72px; POSITION: absolute; TOP: 372px" runat="server"
Width="480px" RepeatColumns="3">
<asp:ListItem Value="0" Selected="True">不需要返回</asp:ListItem>
<asp:ListItem Value="1">需要返回数据集</asp:ListItem>
<asp:ListItem Value="2">执行存储过程</asp:ListItem>
</asp:RadioButtonList>
<asp:Button id="Button1" style="Z-INDEX: 102; LEFT: 632px; POSITION: absolute; TOP: 376px" runat="server"
Width="64px" Text="执行"></asp:Button>
</form>
</body>
</HTML>
input.aspx.cs
protected System.Web.UI.WebControls.RadioButtonList rbl;
protected System.Web.UI.WebControls.TextBox TextBox1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
string sql=Server.HtmlDecode(TextBox1.Text.Trim()).Replace("/r/n","$myenter$");
string change=rbl.SelectedValue;
Response.Redirect("Result"+change+".aspx?sql="+sql,true);
}
}
}
Result0.aspx只是一个处理页面,不需要界面,cs文件如下:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace ExcuteSQL
{
/// <summary>
/// Result0 的摘要说明。
/// </summary>
public class Result0 : System.Web.UI.Page
{
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!this.IsPostBack)
{
string oldurl=Request.UrlReferrer.ToString();
try
{
SqlConnection con=new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]);
SqlCommand cmd=new SqlCommand(Server.HtmlDecode(Request["sql"]).Replace("$myenter$","/r/n"),con);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
Response.Write("<script>alert('执行成功');location.href='"+oldurl+"'</script>");
}
catch
{
Response.Write("<script>alert('失败');location.href='"+oldurl+"'</script>");
}
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
Result1.aspx用datagrid来显示返回结果,其中总记录数能在底部显示
<%@ Page language="c#" Codebehind="Result1.aspx.cs" AutoEventWireup="false" Inherits="ExcuteSQL.Result1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Result1</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
BODY { FONT-SIZE: 11px }
TD { FONT-SIZE: 11px }
TH { FONT-SIZE: 11px }
</style>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server" style="FONT-SIZE: 12px">
<asp:DataGrid id="DataGrid1" runat="server" Width="672px" BorderColor="#3366CC" BorderStyle="None"
BorderWidth="1px" BackColor="White" CellPadding="4" AllowPaging="True">
<SelectedItemStyle Font-Bold="True" ForeColor="#CCFF99" BackColor="#009999"></SelectedItemStyle>
<ItemStyle ForeColor="#003399" BackColor="White"></ItemStyle>
<HeaderStyle Font-Bold="True" ForeColor="#CCCCFF" BackColor="#003399"></HeaderStyle>
<FooterStyle ForeColor="#003399" BackColor="#99CCCC"></FooterStyle>
<PagerStyle HorizontalAlign="Left" ForeColor="#003399" BackColor="#99CCCC" Mode="NumericPages"></PagerStyle>
</asp:DataGrid>
<asp:Button id="Button1" runat="server" Width="104px" Text="返回输入页面"></asp:Button>
</form>
</body>
</HTML>
Result1.aspx.cs
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace ExcuteSQL
{
/// <summary>
/// Result1 的摘要说明。
/// </summary>
public class Result1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
static string oldurl="";
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!this.IsPostBack)
{
oldurl=Request.UrlReferrer.ToString();
try
{
bind();
}
catch
{
Response.Write("<script>alert('失败');location.href='"+oldurl+"'</script>");
}
}
}
private void bind()
{
SqlConnection con=new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"]);
SqlDataAdapter cmd=new SqlDataAdapter(Server.HtmlDecode(Request["sql"]).Replace("$myenter$","/r/n"),con);
DataSet ds=new DataSet();
cmd.Fill(ds);
ViewState["Row"] = ds.Tables[0].Rows.Count;
DataGrid1.DataSource=ds;
DataGrid1.DataBind();
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.DataGrid1.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemCreated);
this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
{
DataGrid1.CurrentPageIndex=e.NewPageIndex;
bind();
}
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
ListItemType elemType = e.Item.ItemType;
if (elemType == ListItemType.Pager)
{
TableCell pager = (TableCell)e.Item.Controls[0];
int up = 0;
int down = 0;
for (int i=0;i<pager.Controls.Count;i+=2)
{
Object o = pager.Controls[i];
if (o is LinkButton)
{
LinkButton h = (LinkButton) o;
if (h.Text!="...")
{
h.ToolTip = "跳转到第"+h.Text+"页";
}
if (i==2)
{
up = int.Parse(h.Text)-1;
}
if (i==pager.Controls.Count-3)
{
down = int.Parse(h.Text)+1;
}
}
else
{
Label l = (Label) o;
if (i==2)
{
up = int.Parse(l.Text)-1;
}
if (i==pager.Controls.Count-3)
{
down = int.Parse(l.Text)+1;
}
l.Text = "["+l.Text+"]";
l.ForeColor = System.Drawing.Color.Red;
}
}
Object oo = pager.Controls[0];
if (oo is LinkButton)
{
LinkButton h = (LinkButton) oo;
if (h.Text=="...")
{
h.ToolTip = "跳转到第"+up.ToString()+"页";
}
}
Object ooo = pager.Controls[pager.Controls.Count-1];
if (ooo is LinkButton)
{
LinkButton h = (LinkButton) ooo;
if (h.Text=="...")
{
h.ToolTip = "跳转到第"+down.ToString()+"页";
}
}
Label la = new Label();
la.Text = "<table width=100%><tr><td align=left>总记录数:<b>"+ViewState["Row"].ToString()+" </b>";
la.Text += "总页数:<b>"+this.DataGrid1.PageCount+" </b>";
la.Text += "当前页:<font color=red><b>"+(this.DataGrid1.CurrentPageIndex+1).ToString()+" </b></font></td><td align=right>";
pager.Controls.AddAt(0,la);
Label lb = new Label();
lb.Text = "</td></tr></table>";
pager.Controls.Add(lb);
}
}
private void Button1_Click(object sender, System.EventArgs e)
{
string aa=oldurl;
Response.Redirect(oldurl,true);
}
}
}
Result2.aspx用于处理存储过程
<%@ Page language="c#" Codebehind="Result2.aspx.cs" AutoEventWireup="false" Inherits="ExcuteSQL.Result2" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Result2</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
BODY { FONT-SIZE: 11px }
TD { FONT-SIZE: 11px }
TH { FONT-SIZE: 11px }
</style>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server" style="FONT-SIZE: 12px">
<P><FONT face="宋体">若想执行存储过程,请输入登录远程sql服务器的用户名和密码以保证权限。</FONT></P>
<P><FONT face="宋体">数据库
<asp:TextBox id="tbdatabase" runat="server"></asp:TextBox><BR>
用户名
<asp:TextBox id="tbuser" runat="server"></asp:TextBox><BR>
密码
<asp:TextBox id="tbpassword" runat="server" TextMode="Password"></asp:TextBox>
<BR>
临时文件路径:~/<asp:TextBox id="tbpath" runat="server"></asp:TextBox>/mysql.txt(不填会在根目录生成mysql.txt)
<asp:Button id="Button1" runat="server" Text="执行"></asp:Button></FONT></P>
</form>
</body>
</HTML>
Result2.aspx.cs
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Data.SqlClient;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.IO;
namespace ExcuteSQL
{
/// <summary>
/// Result2 的摘要说明。
/// </summary>
public class Result2 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.TextBox tbuser;
protected System.Web.UI.WebControls.TextBox tbpassword;
protected System.Web.UI.WebControls.TextBox tbdatabase;
protected System.Web.UI.WebControls.TextBox tbpath;
static string oldurl="";
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!this.IsPostBack)
{
oldurl=Request.UrlReferrer.ToString();
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
try
{
string str=Server.HtmlDecode(Request["sql"]);
string path="";
if(tbpath.Text.Trim()==string.Empty)
path=Server.MapPath("~/mysql.txt");
else
path=Server.MapPath("~/"+tbpath.Text.Trim()+"/mysql.txt");
str=str.Replace("$myenter$","/r/n");
System.IO.StreamWriter sw;
sw=System.IO.File.CreateText(path);
sw.Write(str);
sw.Close();
System.Diagnostics.Process sqlProcess=new System.Diagnostics.Process();
sqlProcess.StartInfo.FileName="osql.exe";
sqlProcess.StartInfo.Arguments=String.Format(" -U {0} -P {1} -d {2} -i {3}",tbuser.Text.Trim(),tbpassword.Text.Trim(),tbdatabase.Text.Trim(),path);
sqlProcess.StartInfo.WindowStyle=System.Diagnostics.ProcessWindowStyle.Hidden;
sqlProcess.Start();
sqlProcess.WaitForExit();
sqlProcess.Close();
File.Delete(path);
Response.Write("<script>alert('执行成功');location.href='"+oldurl+"'</script>");
}
catch
{
Response.Write("<script>alert('失败');location.href='"+oldurl+"'</script>");
}
}
}
}
本文作者:记者 来源:CIOZJ
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