/// <summary>
/// 从数据库中获取数据表记录
/// </summary>
/// <param name="tableName"></param>
/// <param name="whereClause"></param>
/// <returns></returns>
public static ITable queryTable(string tableName, string whereClause)
{
ISqlWorkspace ws = ArcgisService.openBdcWorkspace() as ISqlWorkspace;
string query = "select * from " + tableName + " where 1=1 and " + whereClause;
IQueryDescription q = ws.GetQueryDescription(query);
q.OIDFields = "fId";
string qName = "";
ws.CheckDatasetName(tableName, q, out qName);
if (ws.OpenQueryCursor(query).NextRow() == null)
{
return(null);
}
ITable table = ws.OpenQueryClass(qName, q);
return(table);
}
public IFeatureLayer getDcxmLayer(int dcxmId, string tableName)
{
ISqlWorkspace ws = ArcgisService.openBdcWorkspace() as ISqlWorkspace;
string query = "select * from " + tableName + " where QJDCXM_ID=" + dcxmId;
IQueryDescription q = ws.GetQueryDescription(query);
q.OIDFields = "fId";
q.GeometryType = esriGeometryType.esriGeometryPolygon;
string qName = "";
ws.CheckDatasetName(tableName, q, out qName);
ITable table = ws.OpenQueryClass(qName, q);
IFeatureLayer layer = new FeatureLayer();
layer.FeatureClass = table as IFeatureClass;
return(layer);
}