ASP.NET备份恢复SqlServer数据库

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更多发布于：2011-12-15 22:18

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	备份SqlServer数据库核心技术： 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.前台 <table> <tr> <td style="width: 100px"><span style="font-size: 9pt">操作数据库</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">备份名称和位置</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="备份数据库" /></td> </tr> </table> 2.后台 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，请从新输入！');location='Default.aspx'</script>"); return; } SqlCommand com = new SqlCommand(SqlStr2, con); com.ExecuteNonQuery(); Response.Write("<script language=javascript>alert('备份数据成功！');location='Default.aspx'</script>"); } catch (Exception error) { Response.Write(error.Message); Response.Write("<script language=javascript>alert('备份数据失败！')</script>"); } finally { con.Close(); } } } 还原SqlServer 核心技术: string SqlStr1 = "Server=(local);database='" + this.DropDownList1.SelectedValue + "';Uid=sa;Pwd="; string SqlStr2 = "use master restore database " + dbname + " from disk='" + path + "'"; 1.前台 <table> <tr> <td style="width: 100px; height: 21px"><span style="font-size: 9pt">操作数据库</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">操作数据库</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="还原数据库" /></td> </tr> </table> 2.后台 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; //获得备份路径及数据库名称 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('还原数据成功！');location='Default.aspx'</script>"); } catch (Exception error) { Response.Write(error.Message); Response.Write("<script language=javascript>alert('还原数据失败！')</script>"); } finally { con.Close(); } } }