Jun 28, 2012 · To find a particular column you can do: DataColumn dc = dt.Columns.Cast<DataColumn>().Where(r => r.ColumnName == "yourname").FirstOrDefault(); //Or simpler DataColumn dc2 = dt.Columns["yourcol"]; EDIT: For new Row: DataRow dr = dt_FAQ.NewRow(); dr["FQ_Answer_1"] = "some value"; dt_FAQ.Rows.Add(dr);

Oct 17, 2024 · In order to edit an existing row in a DataTable, you need to locate the DataRow you want to edit, and then assign the updated values to the desired columns. Example, SOURCE HERE. You mean you want to add a new row and only put …

Jun 18, 2019 · Well, first you need to set the columns. Then, you set the rows. You need to add all the columns (make your method independent of the column name, so no hard coded strings) and then add all the respective values. dt.Columns.Add(eachColumn, typeof(string)); colList.Add(eachColumn); newRow = dt.NewRow();

Feb 13, 2017 · Map from DataTable and DataRow to C# classes. Map from multiple different column names. Handle mapping to a collection of objects as well as a single object. We'll need several pieces to accomplish this. But before we can even start building the mapping system, we must first acquire some sample data.

May 1, 2024 · Step 1 We call GetTable, which generates a table. The returned object could be persisted to disk, displayed, or stored in memory. Step 2 We create a new DataTable reference. Then we add 4 columns—these include a type, specified with typeof. Step 3 …

Dec 1, 2021 · This is how usually we perform the column value in c#, DataRow dr = dt.NewRow(); dr[3].Value = “Some Value”; dt.Rows.Add(dr); Thank you.

Jan 31, 2023 · In this article, you are going to learn about how to perform basic database operations using system.data.SqlClient namespace in C#. The basic operations are INSERT, UPDATE, SELECT and DELETE.

Feb 4, 2019 · This article will illustrate how to fetch records (data) from SQL Server Database using SqlDataReader and then set the retrieved values in TextBoxes in ASP.Net using C# and VB.Net.

Apr 12, 2025 · There are different ways to create rows and columns in the DataTable. In this article, we will be discussing how to add data to DataTable, bind DataTable to the DataGridView using data binding, etc. Other objects that use DataTable include DataSet and DataView.

Dec 12, 2011 · How can I store data from 2 columns (from a database) in a List. List<string> _items = new List<string>(); Any help is appreciated