Notepad c# txt Design

Question

I want to show all the data horiozantally in a txt file 

Problem is that all the data are overlap

I want to show txt format in

xyz:...

pqr:...

.......................

 

 

just like

 

I have taken all the data in a datatable here:

dtRecords.Rows.Add(obj);

 

 

 

 

//Build the Text file data.

string txt = string.Empty;

foreach (DataColumn column in dtRecords.Columns)

{

//Add the Header row for Text file.

txt += column.ColumnName + "\t\t";

}

//Add new line.

txt += "\r\n";

foreach (DataRow row in dtRecords.Rows)

{

foreach (DataColumn column in dtRecords.Columns)

{

//Add the Data rows.

txt += row[column.ColumnName].ToString() + "\t\t";

}

//Add new line.

txt += "\r\n";

}

//Download the Text file.

Response.Clear();

Response.Buffer = true;

Response.AddHeader("content-disposition", "attachment;filename=SqlExport.txt");

Response.Charset = "";

Response.ContentType = "application/text";

Response.Output.Write(txt);

Response.Flush();

Response.End();

 

 

Can anyone guide me how to do??