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Calculated columns are used when you want to represent a value that’s computed using a combination of existing values. You can create a calculated column, by following the next steps: 1. Create DataColumn object by specifying its name and type. 2. Set […] Calculated columns are used when you want to represent a value that’s computed using a combination of existing values. You can create a calculated column, by following the next steps: 1. Create DataColumn object by specifying its name and type. 2. Set […] The article How to filter data with the ADO.NET DataView in VB.NET does not cover one of little-known features of the DataView to filter data rows based on relationships. For example, you need to display categories that contain more than five products, or you need to display customers who have bought more than 5 […] The article How to filter data with the ADO.NET DataView in C# does not cover one of little-known features of the DataView to filter data rows based on relationships. For example, you need to display categories that contain more than five products, or you need to display customers who have bought more than 5 […] If in your project you want to include only certain rows in the display you can use a DataView to apply custom filtering. To accomplish this, you should use the RowFilter property which acts like a WHERE clause in a SQL query. You can limit the final results by using it and by applying […] If in your project you want to include only certain rows in the display you can use a DataView to apply custom filtering. To accomplish this, you should use the RowFilter property which acts like a WHERE clause in a SQL query. You can limit the final results by using it and by applying […] If in your project you need to sort data by using ADO.NET DataView you can use the next example as a basic. The example uses a page with three GridView controls. When the page loads, it binds the same DataTable to each of the grids. However, it uses three different views, each of which […] If in your project you need to sort data by using ADO.NET DataView you can use the next example as a basic. The example uses a page with three GridView controls. When the page loads, it binds the same DataTable to each of the grids. However, it uses three different views, each of which sorts the […] A DataView defines a presentation of the data in a DataTable that can include custom filtering and sorting settings. You can configure these setting, by using the DataView’s properties such as Sort and RowFilter. You can use them to specify what data you’ll see through the view, but they don’t affect the actual data […] The DataSet, the heart of disconnected data access, contains two important parts: – Collection of zero or more tables exposed through the Tables property. – Collection of zero or more relationships that you can use to link tables together which are exposed through the Relations property. The next picture presents the basic structure of the […] Recommended ASP.NET Examples |   | ||
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