How to Export Data to Excel?

Answers were Sorted based on User's Feedback



How to Export Data to Excel?..

Answer / mohanraja

The belo code is Export the Listview Data's into Excel...
It exports two columns, Cell Number and Name...


Imports System.IO

Try

Dim st As String() = New
String(lst_phone.Columns.Count - 1) {}
Dim di As New DirectoryInfo("c:\")
If di.Exists = False Then
di.Create()
End If
Dim sw As New
StreamWriter(sfd.FileName, False)
sw.AutoFlush = True
For col As Integer = 0 To
lst_phone.Columns.Count - 1
sw.Write("" & Chr(9) & "" +
lst_phone.Columns(col).Text.ToString())
Next

Dim rowIndex As Integer = 1
Dim row As Integer = 0
Dim st1 As String = ""
For row = 0 To lst_phone.Items.Count - 1
If rowIndex <=
lst_phone.Items.Count Then
rowIndex += 1
End If
st1 = "" & Chr(10) & ""
For col As Integer = 0 To
lst_phone.Columns.Count - 1
'st1 = st1 + "" & Chr(9) &
"" + "'" + lst_phone.Items(row).SubItems(col).Text.ToString()
st1 = st1 + "" & Chr(9) & ""
+ lst_phone.Items(row).SubItems(col).Text.ToString()
Next
sw.WriteLine(st1)
Next
sw.Close()

Dim fil As New FileInfo(sfd.FileName)

If fil.Exists = True Then

MsgBox("Your Data Exported into
Excel Sheet Successfully......!", MsgBoxStyle.Information,
"Exported")
End If
Catch ex As Exception
End Try

Is This Answer Correct ?    3 Yes 0 No

How to Export Data to Excel?..

Answer / santoshsutar1983

protected void Button3_Click(object sender, EventArgs e)

{

DataTable dt = GetData();

string attachment = "attachment;
filename=Employee.xls";

Response.ClearContent();

Response.AddHeader("content-disposition",
attachment);

Response.ContentType = "application/vnd.ms-excel";

string tab = "";

foreach (DataColumn dc in dt.Columns)

{

Response.Write(tab + dc.ColumnName);

tab = "\t";

}

Response.Write("\n");



int i;

foreach (DataRow dr in dt.Rows)

{

tab = "";

for (i = 0; i < dt.Columns.Count; i++)

{

Response.Write(tab + dr[i].ToString());

tab = "\t";

}

Response.Write("\n");

}

Response.End();

Is This Answer Correct ?    1 Yes 0 No

How to Export Data to Excel?..

Answer / agrawars

better to concatenate data in the string builder with comma
seprated value and line change

and save string as a file and give it extension as .xls
This is the fastest way for export to excel.

It will be around 10 times faster then generale excel
writing and showing.

Is This Answer Correct ?    0 Yes 0 No

How to Export Data to Excel?..

Answer / duddi

this is not correct question

Is This Answer Correct ?    0 Yes 4 No

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