I change the datatype of a data column as it is being loaded into a dataset. I have some code that will allow the import of Excel. ADO. NET 2 and, while I can get it to import somewhat, I need to change the datatype of all columns to a string so that data is consistent. I thought I could create the datatable in code forcing each column to be of type String, when I called the dataadapter. How do I go about doing this Dim excelpath As String Open. File. Dialog. 1. File. Name Dim str. Conn As String ProviderMicrosoft. Jet. OLEDB. 4. 0 Data Source excelpath Extended PropertiesExcel 8. Dim da As Ole. Db. Data. Adapter New Ole. Db. Data. AdapterSELECT FROM Sheet. Conn Dim ds As Data. Set New Data. Set ds. Tables. Addxls. Import Dim dt As Data. Table ds. Tables0 Dim fieldname As String field For x As Int. To 5. 0 dt. Columns. AddNew Data. Columnfieldname x. To. String, System. Type. Get. TypeSystem. String Next da. Fillds, xls. Import this just adds the spreadsheet columns to the ones I created instead of filling them Me. Data. Grid. View. Data. Source ds. Tables0. Default. View. Select all. Open in new window. Activation File May Be In Use. KB/aspnet/DataGrid_Merger/GridMerger.gif' alt='Asp Datagrid Column Templates' title='Asp Datagrid Column Templates' />In the previous article we have seen how to add a Checkbox Column In DataGrid and how to achieve multi select delete operation. In this article we will see how we can. How to make ASP. NET GridView Responsive With jQuery FooTable. This article provides a number of practical examples which demonstrate how to perform validation, styling, and DataSet integration with the new WPF DataGrid. Author. This post describes the new WPF and accessibility features and improvements in. NET Framework 4. 7. You can try out these features by downloading the. PDF files that contain the Visual Studio 2005 documentation. Java2s. com Emailinfo at java2s. Demo Source and Support. All rights reserved. Beginners level tutorial about using WPF datagrid in C. NET desktop applications with simple code examples. See how to use wpf control inside datagrid also. Asp Datagrid Column Template To PrintThis site is to help people with Visual Basic version 2002 to 2005. It helps mostly by giving samples on mostly asked questions. The site is maintained by Ken Tucker. ASP. NET Quick Guide Free ASP. NET Tutorials, Reference Manual, and Quick Guide for Beginners. Learn ASP. NET starting from Environment Setup, Basic Controls. My WPF application generates sets of data which may have a different number of columns each time. Included in the output is a description of each column that will be.