public override void OnClick()
        {
            Exception eError = null;

            SysCommon.DataBase.SysTable pSysDB = new SysCommon.DataBase.SysTable();

            try
            {
                //设置查询条件后,执行查询操作

                ///连接数据库

                /// //string ipStr = v_DBNode.Text.Trim();//ip
                //if (ipStr == "") return;
                //string ipStr = "//" + ipStr + "//MetaDataBase//MetaDataBase.mdb";//元数据库路径
                XmlElement dbElem = v_DBNode.Tag as XmlElement;
                if (dbElem == null)
                {
                    return;
                }
                string ipStr = dbElem.GetAttribute("MetaDBConn");

                //string ConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ipStr + ";Persist Security Info=True";//元数据连接字符串
                //pSysDB.SetDbConnection(ConnStr, SysCommon.enumDBConType.OLEDB, SysCommon.enumDBType.ACCESS, out eError);
                pSysDB.SetDbConnection(ipStr, SysCommon.enumDBConType.ORACLE, SysCommon.enumDBType.ORACLE, out eError);
                if (eError != null)
                {
                    SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("错误", "连接元数据库失败!");
                    pSysDB.CloseDbConnection();
                    return;
                }

                if (v_CondiStr == "")
                {
                    SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "请设置查询条件!");
                    pSysDB.CloseDbConnection();
                    return;
                }

                DataTable resultDT = pSysDB.GetSQLTable(v_CondiStr, out eError);
                if (eError != null)
                {
                    SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "查询成果索引表出错!");
                    pSysDB.CloseDbConnection();
                    return;
                }


                ///将查询到的结果在界面上表现出来(查询结果包括数据信息和元信息)
                #region 将结果保存在DataTable中

                DataTable tempDT = ModDBOperator.CreateDataInfoTable();
                for (int i = 0; i < resultDT.Rows.Count; i++)
                {
                    string dataID   = "";      //数据ID
                    string DataName = "";      //数据文件名

                    string projectID   = "";   //项目ID
                    string productID   = "";   //产品ID
                    string projectName = "";   //项目名称
                    string productName = "";   //产品名称
                    string scale       = "";   //比例尺

                    string rangNO = "";        //范围号

                    string dataFormatID = "";  //数据格式ID
                    string dataTypeID   = "";  //数据类型ID
                    string dataFormat   = "";  //数据格式名

                    string dataType = "";      //数据类型名

                    //string saveTime = "";      //存储时间
                    string savePath = "";      //存储路径
                    string fromDate = "";      //生产日期

                    dataID       = resultDT.Rows[i]["数据ID"].ToString().Trim();
                    projectID    = resultDT.Rows[i]["项目ID"].ToString().Trim();
                    productID    = resultDT.Rows[i]["产品ID"].ToString().Trim();
                    scale        = resultDT.Rows[i]["比例尺分母"].ToString().Trim();
                    rangNO       = resultDT.Rows[i]["范围号"].ToString().Trim();
                    dataFormatID = resultDT.Rows[i]["数据格式编号"].ToString().Trim();
                    dataTypeID   = resultDT.Rows[i]["数据类型编号"].ToString().Trim();
                    //saveTime = resultDT.Rows[i]["存储时间"].ToString().Trim();
                    savePath = resultDT.Rows[i]["存储位置"].ToString().Trim();
                    fromDate = resultDT.Rows[i]["生产日期"].ToString().Trim();

                    projectName = ModDBOperator.GetProjectName(long.Parse(projectID), pSysDB, out eError);
                    if (eError != null)
                    {
                        SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "获取项目名称出错!");
                        pSysDB.CloseDbConnection();
                        return;
                    }

                    productName = ModDBOperator.GetProductName(long.Parse(productID), pSysDB, out eError);
                    if (eError != null || productName == "")
                    {
                        SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "获取产品名称出错!");
                        pSysDB.CloseDbConnection();
                        return;
                    }
                    if (dataTypeID == "")
                    {
                        SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "为填写数据类型,请检查!");
                        pSysDB.CloseDbConnection();
                        return;
                    }
                    DataName = GetDataName(int.Parse(dataTypeID), long.Parse(dataID), pSysDB, out eError);
                    if (eError != null)
                    {
                        SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "获取数据文件名称出错!");
                        pSysDB.CloseDbConnection();
                        return;
                    }

                    switch (int.Parse(dataFormatID))
                    {
                    case 0:
                        dataFormat = "DLG";
                        break;

                    case 1:
                        dataFormat = "DEM";
                        break;

                    case 2:
                        dataFormat = "DOM";
                        break;

                    case 3:
                        dataFormat = "DRG";
                        break;
                    }

                    switch (int.Parse(dataTypeID))
                    {
                    case 0:
                        dataType = "标准图幅数据";
                        break;

                    case 1:
                        dataType = "非标准图幅数据";
                        break;

                    case 2:
                        dataType = "控制点数据";
                        break;
                    }

                    DataRow newRow = tempDT.NewRow();
                    newRow["ID"]    = dataID;
                    newRow["项目名称"]  = projectName;
                    newRow["产品名称"]  = productName;
                    newRow["数据文件名"] = DataName;
                    newRow["数据类型"]  = dataType;
                    newRow["比例尺"]   = scale;
                    newRow["范围号"]   = rangNO;
                    newRow["存储位置"]  = savePath;
                    //newRow["存储时间"] = saveTime;
                    newRow["生产日期"] = fromDate;
                    newRow["项目ID"] = projectID.ToString();
                    newRow["产品ID"] = productID.ToString();
                    tempDT.Rows.Add(newRow);
                }
                #endregion

                #region 将DataTable与DataGrid进行绑定
                //清空表格
                if (m_Hook.DataInfoGrid.DataSource != null)
                {
                    m_Hook.DataInfoGrid.DataSource = null;
                }
                //绑定
                m_Hook.DataInfoGrid.DataSource    = tempDT;
                m_Hook.DataInfoGrid.ReadOnly      = true;
                m_Hook.DataInfoGrid.Visible       = true;
                m_Hook.DataInfoGrid.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
                for (int j = 0; j < m_Hook.DataInfoGrid.Columns.Count; j++)
                {
                    //m_Hook.DataInfoGrid.Columns[j].Width = (m_Hook.DataInfoGrid.Width - 20) / m_Hook.DataInfoGrid.Columns.Count;
                    m_Hook.DataInfoGrid.Columns[j].AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells;
                }
                m_Hook.DataInfoGrid.RowHeadersWidth = 20;
                m_Hook.DataInfoGrid.Refresh();

                pSysDB.CloseDbConnection();
                #endregion
            }
            catch (Exception eR)
            {
                SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "未知错误:" + eR.Message);
                pSysDB.CloseDbConnection();
                return;
            }
        }