 
using System.Data.SqlClient; 
using System.IO; 
string SqlStr1 = "Server=(local);DataBase=master;Uid=sa;Pwd="; 
string SqlStr2 = "Exec sp_helpdb"; 
string SqlStr1 = "Server=(local);database='" + this.DropDownList1.SelectedValue + "';Uid=sa;Pwd="; 
string SqlStr2 = "backup database " + this.DropDownList1.SelectedValue + " to disk='" + this.TextBox1.Text.Trim() + ".bak'"; 

1.前臺(tái)

復(fù)制代碼代碼如下:

 
<table> 
<tr> 
<td style="width: 100px"><span style="font-size: 9pt">操 作 數(shù) 據(jù) 庫(kù)</span></td> 
<td><asp:DropDownList ID="DropDownList1" runat="server" Font-Size="9pt" Width="124px"></asp:DropDownList></td> 
<td style="width: 100px"></td> 
</tr> 
<tr> 
<td style="width: 100px"><span style="font-size: 9pt">備份名稱和位置</span></td> 
<td style="width: 100px"><asp:TextBox ID="TextBox1" runat="server" Font-Size="9pt" Width="117px"></asp:TextBox></td> 
<td style="width: 100px"><span style="font-size: 9pt; color: #ff3300">（如D:\beifen）</span></td> 
</tr> 
<tr> 
<td colspan="3"><asp:Button ID="Button1" runat="server" Font-Size="9pt" OnClick="Button1_Click" Text="備份數(shù)據(jù)庫(kù)" /></td> 
</tr> 
</table> 

2.后臺(tái)

復(fù)制代碼代碼如下:

 
using System.Data.SqlClient; 
using System.IO; 

public partial class _Default : System.Web.UI.Page 
{ 
protected void Page_Load(object sender, EventArgs e) 
{ 
if (!IsPostBack) 
{ 
string SqlStr1 = "Server=(local);DataBase=master;Uid=sa;Pwd="; 
string SqlStr2 = "Exec sp_helpdb"; 
SqlConnection con = new SqlConnection(SqlStr1); 
con.Open(); 
SqlCommand com = new SqlCommand(SqlStr2, con); 
SqlDataReader dr = com.ExecuteReader(); 
this.DropDownList1.DataSource = dr; 
this.DropDownList1.DataTextField = "name"; 
this.DropDownList1.DataBind(); 
dr.Close(); 
con.Close(); 
} 
} 
protected void Button1_Click(object sender, EventArgs e) 
{ 
string SqlStr1 = "Server=(local);database='" + this.DropDownList1.SelectedValue + "';Uid=sa;Pwd="; 
string SqlStr2 = "backup database " + this.DropDownList1.SelectedValue + " to disk='" + this.TextBox1.Text.Trim() + ".bak'"; 
SqlConnection con = new SqlConnection(SqlStr1); 
con.Open(); 
try 
{ 
if (File.Exists(this.TextBox1.Text.Trim())) 
{ 
Response.Write("<script language=javascript>alert('此文件已存在，請(qǐng)從新輸入！');location='Default.aspx'</script>"); 
return; 
} 
SqlCommand com = new SqlCommand(SqlStr2, con); 
com.ExecuteNonQuery(); 
Response.Write("<script language=javascript>alert('備份數(shù)據(jù)成功！');location='Default.aspx'</script>"); 
} 
catch (Exception error) 
{ 
Response.Write(error.Message); 
Response.Write("<script language=javascript>alert('備份數(shù)據(jù)失?。?)</script>"); 
} 
finally 
{ 
con.Close(); 
} 
} 
} 

還原SqlServer
核心技術(shù):

復(fù)制代碼代碼如下:

 
string SqlStr1 = "Server=(local);database='" + this.DropDownList1.SelectedValue + "';Uid=sa;Pwd="; 
string SqlStr2 = "use master restore database " + dbname + " from disk='" + path + "'"; 

1.前臺(tái)

復(fù)制代碼代碼如下:

 
<table> 
<tr> 
<td style="width: 100px; height: 21px"><span style="font-size: 9pt">操 作 數(shù) 據(jù) 庫(kù)</span></td> 
<td><asp:DropDownList ID="DropDownList1" runat="server" Font-Size="9pt" Width="124px"></asp:DropDownList></td> 
<td style="width: 100px; height: 21px"></td> 
</tr> 
<tr> 
<td style="width: 100px"><span style="font-size: 9pt">操 作 數(shù) 據(jù) 庫(kù)</span></td> 
<td style="width: 100px"><asp:FileUpload ID="FileUpload1" runat="server" Font-Size="9pt" Width="190px" /></td> 
<td style="width: 100px"> 
</td> 
</tr> 
<tr> 
<td colspan="3"><asp:Button ID="Button1" runat="server" Font-Size="9pt" OnClick="Button1_Click" Text="還原數(shù)據(jù)庫(kù)" /></td> 
</tr> 
</table> 

2.后臺(tái)

復(fù)制代碼代碼如下:

 
using System.Data.SqlClient; 
using System.IO; 

public partial class _Default : System.Web.UI.Page 
{ 
protected void Page_Load(object sender, EventArgs e) 
{ 
if (!IsPostBack) 
{ 
string SqlStr1 = "Server=(local);DataBase=master;Uid=sa;Pwd="; 
string SqlStr2 = "Exec sp_helpdb"; 
SqlConnection con = new SqlConnection(SqlStr1); 
con.Open(); 
SqlCommand com = new SqlCommand(SqlStr2, con); 
SqlDataReader dr = com.ExecuteReader(); 
this.DropDownList1.DataSource = dr; 
this.DropDownList1.DataTextField = "name"; 
this.DropDownList1.DataBind(); 
dr.Close(); 
con.Close(); 
} 
} 

protected void Button1_Click(object sender, EventArgs e) 
{ 
string path = this.FileUpload1.PostedFile.FileName; //獲得備份路徑及數(shù)據(jù)庫(kù)名稱 
string dbname = this.DropDownList1.SelectedValue; 
string SqlStr1 = "Server=(local);database='" + this.DropDownList1.SelectedValue + "';Uid=sa;Pwd="; 
string SqlStr2 = "use master restore database " + dbname + " from disk='" + path + "'"; 
SqlConnection con = new SqlConnection(SqlStr1); 
con.Open(); 
try 
{ 
SqlCommand com = new SqlCommand(SqlStr2, con); 
com.ExecuteNonQuery(); 
Response.Write("<script language=javascript>alert('還原數(shù)據(jù)成功！');location='Default.aspx'</script>"); 
} 
catch (Exception error) 
{ 
Response.Write(error.Message); 
Response.Write("<script language=javascript>alert('還原數(shù)據(jù)失??！')</script>"); 
} 
finally 
{ 
con.Close(); 
} 
} 
} 