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Add, Edit and Delete using the ASP.NET ListView Control

ASP.NET 2.0 Nested GridView

Read Text File and Display in Grid View

protected void Page_Load
(object sender, EventArgs e)
{
if (!IsPostBack)
{
string openpath, contents;
int tabsize = 4;
string[] arinfo;
string line;
int i;
DataTable dt = CreateTable();
DataRow row;
try
{
openpath =
Server.MapPath(".") + @"\abhi.txt";
string filename = openpath;
StreamReader st;
st = File.OpenText(filename);
while ((line = st.ReadLine()) != null)
{
contents =
line.Replace(("").PadRight(tabsize, ' '), "\t");
char[] textdelimeter = { ']' };
arinfo = contents.Split(textdelimeter);
for (i = 0; i < arinfo.Length; i++)
{
row = dt.NewRow();
if (i < arinfo.Length)
row["name"] = arinfo[i].ToString().Replace("[", "");
if (i < arinfo.Length)
row["lastname"] = arinfo[i].ToString().Replace("[", "");
dt.Rows.Add(row);
}
i++;

}
st.Close();
GridView1.DataSource = dt;
GridView1.DataBind();
}
catch (Exception ex)
{
Label1.Text = ex.Message;
}


}


}


private DataTable CreateTable()
{
try
{
DataTable table = new DataTable();

// Declare DataColumn and DataRow variables.
DataColumn column;

// Create new DataColumn, set DataType, ColumnName
// and add to DataTable.
column = new DataColumn();
column.DataType = System.Type.GetType("System.String");
column.ColumnName = "name";
table.Columns.Add(column);

// Create second column.
column = new DataColumn();
column.DataType = Type.GetType("System.String");
column.ColumnName = "lastname";
table.Columns.Add(column);


return table;
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
}
}