Illinois Natural Resources Geospatial Data Clearinghouse: Provides access to downloadable digital data as well as interactive maps.Topics include surficial and bedrock geology, elevation, mining, water resources and hydrology, natural history, base maps, PLSS, administrative, infrastructure, digital orthophoto quarter quadrangle, Chicago urban area, digital raster graphics, and historical aerial photographs.Then the Auto Size Columns Mode is set to the ‘Data Grid View Auto Size Columns Mode.
It is possible they have not updated all county links; searching for a county GIS website would produce also be beneficial.
USGS Seamless Data Warehouse: The United States Geological Survey provides Orthoimagery, detailed Digital Elevation Models (DEMs at 1, 1/3, and 1/9 Arc-seconds), and Land Cover data. Seamless Data Distribution System: Provides access to free digital data downloads including high resolution orthoimagery, digital raster graphic, landsat mosaic, MODIS data, Bureau of Transportation Statistics, National Atlas, National Elevation Dataset, National Land Cover Dataset, and shuttle radar topography data.
This method uses the Sql Data Adapter to populate a Data Set.
The table ‘Orders’ in the Data Set is then bound to the Binding Source component which gives us the flexibility to choose/modify the data location.
Illinois Climate Network Data: Data provided by the Illinois Climate Network in downloadable text files. Also included are links to USGS DEM 10M and 30M, USGS DOQ, DRG, and DLG, Illinois Geospatial Data Clearinghouse, STATSGO, and SSURGO.
Data is archived from 1989 to 2007 and includes all stations in Illinois including Belleville, Carbondale, Champaign, Monmouth, Peoria, Springfield, and St. Invasive Plant Species in Illinois Forests: Data provided by the Illinois Department of Natural Resources in pdf format. City of Chicago GIS: Data provided by the City of Chicago to include base data, boundary, conservation areas, empowerment zones, enterprise communities, enterprise zones, industrial corridors, planning districts, planning regions, cemetery, forests, libraries, parks, pedways, school grounds, and transportation.
A common requirement is to calculate the total of a currency field and display it in a textbox.
In the snippet below, we will be calculating the total of the ‘Freight’ field.
We will then display the data in a textbox by formatting the result (observe the To handle the Selected Index Changed event of a Data Grid View Combo Box, you need to use the Data Grid View. You can then retrieve the selected index or the selected text of the combobox.