ArcSDE：C#创建SDE要素数据集

转自原文 ArcSDE：C#创建SDE要素数据集

    /// <summary>
    /// 判断指定数据集是否存在
    /// </summary>
    /// <param name="workspace">工作空间名称</param>
    /// <param name="strDataSetName">数据集名称</param>
    /// <returns>存在，true；否则，false</returns>
    public static bool isDatasetExist(IWorkspace workspace, string strDataSetName)
    {
        if (workspace == null)
        {
            return false;
        }
        else if (workspace.get_NameExists(esriDatasetType.esriDTFeatureDataset, strDataSetName))
        {
            return true;
        }
        else
        {
            return false;
        }
    }  

    /// <summary>
    /// 创建要素数据集
    /// </summary>
    /// <param name="workspace">工作空间名称</param>
    /// <param name="strDatasetName">数据集名称</param>
    /// <param name="spatialReference">参考系</param>
    public static void CreateFeatureDataset(IWorkspace workspace,string strDatasetName, ISpatialReference spatialReference)
    {
        IFeatureWorkspace featureWorkspace = workspace as IFeatureWorkspace;
        if (featureWorkspace == null)
            return;
        if (!isDatasetExist(strDatasetName))
        {
            featureWorkspace.CreateFeatureDataset(strDatasetName, spatialReference);
        }
    }