Wednesday, November 9, 2011

How to create datatable at runtime in asp.net using c#.net?

Here is the code to create a datatable at runtime in asp.net using C#.Net.

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Below is the namespace needed.

using System.Data;
// Create a DataTable instance
DataTable dataTable = new DataTable("DataTableName");
// Create a DataColumn instances
DataColumn dtCol1 = new DataColumn();
DataColumn dtCol2 = new DataColumn();
dtCol1.ColumnName = "Id";
dtCol1.DataType = Type.GetType("System.Int32");
dtCol2.ColumnName = "Name";
dtCol2.DataType = Type.GetType("System.String");

// Add these DataColumns into the DataTable
dataTable.Columns.Add(dtCol1);
dataTable.Columns.Add(dtCol2);

// Create a DataRow Instance from the table we create above, with NewRow();
DataRow row = dataTable.NewRow();

row["Id"] = 1;
row["Name"] = "Fewlines4Biju";

// Add the row into the table
dataTable.Rows.Add(row);

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