Add Row / Columns to GridView (Programmatically)

1) Create a DataTable object to which than we will bind the GridView

DataTable dt = new DataTable();

2) IF you need two columns than create two DataColumn objects

DataColumn dc1 = new DataColumn("first", typeof(string));

DataColumn dc2 = new DataColumn("second", typeof(string));

DataColumn dc3 = new DataColumn("third", typeof(string));

Add it to the table

dt.Columns.Add(dc1);

dt.Columns.Add(dc2);

dt.Columns.Add(dc3);

3)Run the loop for as many rows you want to add. eg: 3 rows to be added.

for(int i=0;i<3;i++)// 3 = number of rows needed.

{

   DataRow row1 = dt.NewRow();

   int c = 0;

   while (c < 3)

   {

       row1[c] = "some_data";

       c++;

   }

   dt.Rows.Add(row1 );

}

Now iterate through each datacolumn and create a BoundField foreach column

foreach (DataColumn col in dt.Columns)

{

BoundField bField = new BoundField();

bField.DataField = col.ColumnName;

bField.HeaderText = col.ColumnName;

GridView1.Columns.Add(bField);

}

GridView1.DataSource = dt;

//Bind the datatable with the GridView.

GridView1.DataBind();

And you have successfully added rows/cols to the grid !