private void comboBoxDataSource_SelectedIndexChanged(object sender, EventArgs e)
{
//cyf 20110613 add
//this.comboBoxFeaClass.Items.Clear();
//end
SysGisTable sysTable = new SysGisTable(_tmpWorkspace);
Exception eError;
//根据用户选择的数据源，得到数据源的工作空间
string DataSourceName = this.comboBoxDataSource.Text;
string conninfostr = sysTable.GetFieldValue("DATABASEMD", "CONNECTIONINFO", "DATABASENAME='" + DataSourceName + "'", out eError).ToString();
int type = int.Parse(sysTable.GetFieldValue("DATABASEMD", "DATAFORMATID", "DATABASENAME='" + DataSourceName + "'", out eError).ToString());
string strDBPara = sysTable.GetFieldValue("DATABASEMD", "DBPARA", "DATABASENAME='" + DataSourceName + "'", out eError).ToString();
int index6 = conninfostr.LastIndexOf("|");
//string strdataset = conninfostr.Substring(index6 + 1);
IWorkspace pWorkspace = ModuleMap.GetWorkSpacefromConninfo(conninfostr, type);
if (pWorkspace == null)
{
return;
}
_ListDataset.Clear();
_ListTypeOfDataset.Clear();
string strDatasets = conninfostr.Substring(index6 + 1);
string[] strTemp = strDatasets.Split(new char[] { ',' });
IFeatureWorkspace pFeaWorkSpace = pWorkspace as IFeatureWorkspace;
if (pFeaWorkSpace != null)
{
for (int k = 0; k < strTemp.Length; k++)
{
IDataset pTmpdataset = null;
if (strDBPara.Contains("栅格数据集"))
{
IRasterWorkspaceEx rasterWorkspace = (IRasterWorkspaceEx)pFeaWorkSpace;
IRasterDataset pRDataset = rasterWorkspace.OpenRasterDataset(strTemp[k]);
pTmpdataset = pRDataset as IDataset;
if (pTmpdataset != null)
{
_ListTypeOfDataset.Add("RD");
}
}
else if (strDBPara.Contains("栅格编目"))
{
IRasterWorkspaceEx rasterWorkspace = (IRasterWorkspaceEx)pFeaWorkSpace;
IRasterCatalog pRCatalog = rasterWorkspace.OpenRasterCatalog(strTemp[k]);
pTmpdataset = pRCatalog as IDataset;
if (pTmpdataset != null)
{
_ListTypeOfDataset.Add("RC");
}
}
else
{
pTmpdataset = pFeaWorkSpace.OpenFeatureDataset(strTemp[k]) as IDataset;
if (pTmpdataset != null)
{
_ListTypeOfDataset.Add("FC");
}
}
if (pTmpdataset != null)
{
_ListDataset.Add(pTmpdataset);
}
}
}
_dataWorkspace = pWorkspace;
if (pWorkspace == null)
{
return;
}
}
