How to: Set the Data Type of a DataColumn
Data columns (DataColumn) are created with a default data type of String. To change the data type of a column, set the DataType property in the Properties window.
To set the data type of a DataColumn
Open a dataset in the Dataset Designer.
Select the column you want to set the data type for.
In the Properties window, select the desired data type from the DataType list.
See Also
Tasks
Walkthrough: Displaying Data on a Form in a Windows Application
How to: Connect to Data in a Database