App_Code/DBCommand.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

/// <summary>
/// DBCommand 的摘要说明
/// </summary>
public class DBCommand
{
    public DBCommand()
    {
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }
    public static SqlConnection con()
    {
        SqlConnection SqlCon = new SqlConnection(System.Configuration.ConfigurationManager.AppSettings["con"]);
        return SqlCon;
    }
    public SqlParameter MakeInParam(string ParamName, SqlDbType DbType, int size, object value)
    {
        return MakeParam(ParamName, DbType, size, ParameterDirection.Input, value);
    }
    private SqlParameter MakeParam(string ParamName, SqlDbType DbType, int size, ParameterDirection Dir, object value)
    {
        SqlParameter param;
        if (size > 0)
        {
            param = new SqlParameter(ParamName, DbType, size);

        }
        else
        {
            param = new SqlParameter(ParamName, DbType);
        }
        param.Direction = Dir;
        if (!(Dir == ParameterDirection.Output && value == null))
        {
            param.Value = value;
        }
        return param;
    }
    public int Command(string proc, SqlParameter[] prams)
    {
        SqlConnection conn = DBCommand.con();
        SqlCommand cmd = new SqlCommand();
        cmd.CommandText = proc;
        cmd.CommandType = CommandType.StoredProcedure;
        cmd.Connection = conn;
        if (prams != null)
        {
            foreach (SqlParameter par in prams)