Show only one row in datagridview using bindingsource

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Hi I am new to c# and i am working on winform .I want to show only one row in datagridview.
when I navigate to next or previous record in bindingsource ,I want to show only the
current row from bindingsource in datagridview .I have tried with filtering, but it shows
1 of 1 records instead of 1 of <allrecords>. here is my code , please suggest..

C#

private void Form3_Load(object sender, EventArgs e)
       {
           string cSql = "SELECT * FROM RFID_MAS";
           dadapter = new SqlDataAdapter(cSql, Conn);
           dadapter.Fill(dset);
           bindingNavigator1.BindingSource = bs;
           bs.DataSource = dset.Tables[0];
           dataGridView1.DataSource = bs;
           bs.PositionChanged += bs_PositionChanged;
          // dset.Tables.Add();
           //dset.Tables[1].
       }
       void bs_PositionChanged(object sender, EventArgs e)
       {

           bs.Filter = "SEQ_NO =" + ((DataRowView)bs.Current).Row["SEQ_NO"].ToString();
           //dset.Tables[0].DefaultView.RowFilter = "SEQ_NO ="+ ((DataRowView)bs.Current).Row["SEQ_NO"].ToString();
       }

Posted 12-Jan-14 0:49am

Member 9747760

Updated 12-Jan-14 0:57am

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Mahesh Bailwal · Answer 1 · 2014-01-12T05:22:00

I figured out one way of doing it by following below steps

1) Add below mentioned method to your code

private void MakeOnlyCurrentRowVisible()
      {
          for (int i = 0; i < dataGridView1.Rows.Count; i++)
          {
              if (dataGridView1.CurrentRow != dataGridView1.Rows[i])
                  dataGridView1.Rows[i].Visible = false;
          }
      }

2)Add VisibleChanged event handler to your Form like given below

private void Form3_VisibleChanged(object sender, EventArgs e)
       {
           dataGridView1.AllowUserToAddRows = false;
           MakeOnlyCurrentRowVisible();
       }

3) Add code to dataGridView1_SelectionChanged event like below

private void dataGridView1_SelectionChanged(object sender, EventArgs e)
     {
         if (!dataGridView1.AllowUserToAddRows)
         {
             MakeOnlyCurrentRowVisible();
         }
     }

Hope it will help.

M.R.A. · Answer 2 · 2014-01-13T23:18:00

private void Form3_Load(object sender, EventArgs e)
{
string cSql = "SELECT top(1) FROM RFID_MAS";
dadapter = new SqlDataAdapter(cSql, Conn);
dadapter.Fill(dset);
bindingNavigator1.BindingSource = bs;
bs.DataSource = dset.Tables[0];
dataGridView1.DataSource = bs;
bs.PositionChanged += bs_PositionChanged;
// dset.Tables.Add();
//dset.Tables[1].
}

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Show only one row in datagridview using bindingsource

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