There is no row at position 0.

Question

3.00/5 (1 vote)

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protected void btnUpload_Click(object sender, EventArgs e)
{
SqlDataAdapter Da_UploadFile_id = new SqlDataAdapter("select top(1) Video_id from UploadVideo order by Video_id desc", con);
DataSet ds_UploadFile_id = new DataSet();
Da_UploadFile_id.Fill(ds_UploadFile_id);

int UploadFile_id = int.Parse(ds_UploadFile_id.Tables[0].Rows[0]["Video_id"].ToString()) + 1;

Posted 22-May-13 20:53pm

bhabatosh ojha

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2 solutions

Solution 1

It happens when the number of rows is zero. Always check up the size of collection (count) before addressing an element by its index.

—SA

Posted 22-May-13 20:54pm

Sergey Alexandrovich Kryukov

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Mayur Panchal · Accepted Answer · 2013-05-22T21:03:00

Solution 2

You need to check below:

C#

if (ds_UploadFile_id != null && ds_UploadFile_id.Tables.Count > 0 && ds_UploadFile_id.Tables[0].Rows.Count > 0)
{
    int UploadFile_id = int.Parse(ds_UploadFile_id.Tables[0].Rows[0]["Video_id"].ToString()) + 1;
}

Posted 22-May-13 21:03pm

Mayur Panchal

Updated 22-May-13 21:05pm

v2

Comments

bhabatosh ojha 23-May-13 7:10am

BUT when I add this then there is a build error in Uploadfile_id not found.

I will send the complete code below---
-------------------------------
protected void btnUpload_Click(object sender, EventArgs e)
{
SqlDataAdapter Da_UploadFile_id = new SqlDataAdapter("select top(1) Video_id from UploadVideo order by Video_id desc", con);
DataSet ds_UploadFile_id = new DataSet();
Da_UploadFile_id.Fill(ds_UploadFile_id);

int UploadFile_id = int.Parse(ds_UploadFile_id.Tables[0].Rows[0]["Video_id"].ToString()) + 1;

Session["test"] = UploadFile_id;

Mayur Panchal 24-May-13 1:46am

int UploadFile_id = 0;
if (ds_UploadFile_id != null && ds_UploadFile_id.Tables.Count > 0 && ds_UploadFile_id.Tables[0].Rows.Count > 0)
{
UploadFile_id = int.Parse(ds_UploadFile_id.Tables[0].Rows[0]["Video_id"].ToString()) + 1;
}

bhabatosh ojha 24-May-13 2:08am

This is solved with use this code..Thank sir much.