private void btnSave_Click(object sender, RoutedEventArgs e) 
    { 
      if (IsInsert) 
      { 
        //如果日历控件没有选日期，那帮它赋一个当前日期。下面有三个日历控件中，我只为其中一个日历控件做了赋值。  
        DateTime time1 = dpEditTime.SelectedDate == null ? DateTime.Now : dpEditTime.SelectedDate.Value; 
         
 
        DataUpdate updata = new DataUpdate(); 
        string sql = \"insert into T_SITE (SITE_ID,SITE_NAME,SITE_TITLE,SITE_DIR,SITE_ORDER,SITE_KEYS,SITE_NOTE,SITE_LOGO,SITE_PUBLISH,SITE_PUBLISH_TIME,SITE_LOG_CLEAR,SITE_UPLOAD_SIZE,SITE_ADD_TIME,SITE_UPDATE_TIME,SITE_UPLOAD_FILE_TYPE) values(\'\" + txtSiteID.Text + \"\',\'\" + txtSiteName.Text + \"\',\'\" + txtSiteTitle.Text + \"\',\'\" + txtSitePath.Text + \"\',\'\" + txtSiteNumber.Text + \"\',\'\" + txtKeyword.Text + \"\',\'\" + txtWebDescription.Text + \"\',\'\" + txtSiteLogo.Text + \"\',\'\" + txtYesNORelease.Text + \"\',to_date(\'\" +txtReleaseTime.SelectedDate.Value.ToString(\"yyyy-MM-dd hh:mm:ss\") + \"\',\'YYYY-MM-DD hh24:mi:ss\'),\'\" + txtDiaryEDay.Text + \"\',\'\" + txtUpFileSize.Text + \"\',to_date(\'\" +dpAddTime.SelectedDate.Value.ToString(\"yyyy-MM-dd hh:mm:ss\") + \"\',\'YYYY-MM-DD hh24:mi:ss\'),to_date(\'\" + time1.ToString(\"yyy-MM-dd hh:mm:ss\") + \"\',\'YYYY-MM-DD hh24:mi:ss\'),\'\" + txtUpFileTypeLimit.Text + \"\')\"; 
 
 
        //insert语句太长，有StringBuilder优化一下  
        StringBuilder sql1 = new StringBuilder(); 
 
        sql1.Append(@\"insert into T_SITE (SITE_ID,SITE_NAME,SITE_TITLE,SITE_DIR,SITE_ORDER,SITE_KEYS,SITE_NOTE,SITE_LOGO,SITE_PUBLISH,SITE_PUBLISH_TIME,SITE_LOG_CLEAR,SITE_UPLOAD_SIZE,SITE_ADD_TIME,SITE_UPDATE_TIME,SITE_UPLOAD_FILE_TYPE) values(\'\"); 
        sql1.Append(txtSiteID.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtSiteName.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtSiteTitle.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtSitePath.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtSiteNumber.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtKeyword.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtWebDescription.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtSiteLogo.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtYesNORelease.Text);  
        sql1.Append(\"\',to_date(\'\"); 
        sql1.Append(txtReleaseTime.SelectedDate.Value.ToString(\"yyyy-MM-dd hh:mm:ss\")); 
        sql1.Append(\"\',\'YYYY-MM-DD hh24:mi:ss\'),\'\"); 
        sql1.Append(txtDiaryEDay.Text); sql1.Append(\"\',\'\"); 
        sql1.Append(txtUpFileSize.Text); 
        sql1.Append(\"\',to_date(\'\"); 
        sql1.Append(dpAddTime.SelectedDate.Value.ToString(\"yyyy-MM-dd hh:mm:ss\")); 
        sql1.Append(\"\',\'YYYY-MM-DD hh24:mi:ss\'),to_date(\'\"); 
        sql1.Append(time1.ToString(\"yyy-MM-dd hh:mm:ss\")); 
        sql1.Append(\"\',\'YYYY-MM-DD hh24:mi:ss\'),\'\"); 
        sql1.Append(txtUpFileTypeLimit.Text); 
        sql1.Append(\"\')\"); 
 
        MessageBox.Show(sql1.ToString()); 
         
        updata.DataObjects.Add(sql1.ToString()); 
         
        updata.DataObjects.Add(sql); 
        updata = m_IDataProvider.Execute(updata); 
        if (updata.ExecuteState) 
        { 
          MessageBox.Show(\"插入成功\"); 
        } 
      } 
      else 
      {  
         
      } 
       
    } 
  } 
}