通用存储过程
1:删除
CREATE PROCEDURE Sp_deletedatabyCondition
@tablename nvarchar(100),
@condition nvarchar(200)
AS
BEGIN
DECLARE @Sql nvarchar(500)
SET @Sql='delete from '+@tablename+ ' where '+@condition
EXEC(@Sql)
END
GO
2：查询
CREATE PROCEDURE SP_getColumnsByCondition
@tablename nvarchar(100),
@columns nvarchar(300),
@condition nvarchar(200)
AS
BEGIN
DECLARE @sql nvarchar(1000)
SET @sql='select '+@columns+' from '+@tablename+ ' where 1=1 '+@condition
EXEC(@sql)
END
GO
3：更新
CREATE PROCEDURE Sp_UpdateTablebyCondition
@tablename nvarchar(100),
@condition nvarchar(300),
@columns nvarchar(500)
AS
BEGIN
DECLARE @sql nvarchar(1000)
SET @sql='update '+@tablename+' set '+@columns+' where '
+@condition
-- PRINT @sql
EXEC(@sql)
END
GO
.....................................................................................................................................................................................
调用
string tablename = "news",where="id=21";
SqlParameter[] para = new SqlParameter[] {
new SqlParameter("@tablename",tablename),
new SqlParameter("@condition",where)
};
int result = DB.ExecuteProcCommand("Sp_deletedatabyCondition", para);
if (result > 0)
{
Response.Write("删除成功");
}
DB
public static int ExecuteProcCommand(string proc,params SqlParameter[] values)
{
SqlConnection myconn = getcon();
SqlCommand cmd = new SqlCommand(proc, myconn);
cmd.Parameters.AddRange(values);
cmd.CommandType = CommandType.StoredProcedure;
int result = -1;
try
{
result = cmd.ExecuteNonQuery();
}
catch (Exception ex)
{
throw ex;
}
finally
{
myconn.Close();
myconn.Dispose();
}
return result;
}
