GRIDVIEW中实现上移下移的存储过程代码,Asp.Net代码库,德仔网

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【Asp.Net】 GRIDVIEW中实现上移下移的存储过程

作者:dezai / 发布于2014/1/22/ 376


建一个表 t_hoteladvertise
有如下字段：
ID 自动增长(主要)
SortID INT (主要)
Title NVARCHAR(50)

CREATE proc sp_ehotel_DownAdvertise
@ID INT
as
DECLARE @SortID int
DECLARE @TempSortID INT
DECLARE @TempID INT
BEGIN TRAN
SELECT @SortID=SortID from t_hoteladvertise where [ID]=@ID
SELECT @TempSortID=max(SortID) from t_hoteladvertise where SortID>@SortID
SELECT @TempID=[ID] from t_hoteladvertise WHERESortID=@TempSortID
if @@error>0 or @@rowcount<>1
goto NeedRollBack
UPDATE t_hoteladvertise SETSortID=@SortIDWHERE [ID]=@TempID
if @@error>0 or @@rowcount<>1
goto NeedRollBack
UPDATE t_hoteladvertise SETSortID=@TempSortIDwhere [ID]=@ID
NeedRollBack:
if @@error>0 or @@rowcount<>1
 rollback tran
else
commit tran
GO
CREATE proc sp_ehotel_UpAdvertise
@ID INT
as
DECLARE @SortID int
DECLARE @TempSortID INT
DECLARE @TempID INT
BEGIN TRAN
SELECT @SortID=SortID from t_hoteladvertise where [ID]=@ID
SELECT @TempSortID=max(SortID) from t_hoteladvertise where SortID<@SortID
SELECT @TempID=[ID] from t_hoteladvertise WHERESortID=@TempSortID
if @@error>0 or @@rowcount<>1
goto NeedRollBack
UPDATE t_hoteladvertise SETSortID=@SortIDWHERE [ID]=@TempID
if @@error>0 or @@rowcount<>1
goto NeedRollBack
UPDATE t_hoteladvertise SETSortID=@TempSortIDwhere [ID]=@ID
NeedRollBack:
if @@error>0 or @@rowcount<>1
 rollback tran
else
commit tran
GO


代码段：
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
 {
 SqlConnection conn = new SqlConnection();
 if (e.CommandName == "down")
 {
 int IndexID = Convert.ToInt32(e.CommandArgument);
 try
 {
 XMLData.OpenDatabase(conn);
 XMLData.ExecuteNonQuery(conn, "SP_EHOTEL_UPADVERTISE", IndexID);
 Label2.Visible = true;
 Label2.Text = "下移成功！";
 }
 catch (Exception)
 {
 Response.Write("<script language='javascript'>alert('下移出错,点取消返回');</" + "script>");
 }
 finally
 {
 XMLData.CloseDatabase(conn);
 BindAdvertise();
 }
 }
 if (e.CommandName == "up")
 {
 int IndexID = Convert.ToInt32(e.CommandArgument);
 try
 {
 XMLData.OpenDatabase(conn);
 XMLData.ExecuteNonQuery(conn, "SP_EHOTEL_DOWNADVERTISE", IndexID);
 Label2.Visible = true;
 Label2.Text = "上移成功！";
 }
 catch (Exception)
 {
 Response.Write("<script language='javascript'>alert('上移出错,点取消返回');</" + "script>");
 }
 finally
 {
 XMLData.CloseDatabase(conn);
 BindAdvertise();
 }
 }
 }

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