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POMaintaining Selected Row of the DataGridView Control after refreshing Data
 

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  1. POMaintaining Selected Row of the DataGridView Control after refreshing Data
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    <p>I am trying to Maintain Selected Row of the DataGridView Control after refreshing Data. This is my code</p> <pre><code> public partial class frmPlant : Form { string gSelectedPlant; private void frmPlant_Load(object sender, EventArgs e) { dataGridView1.AutoGenerateColumns = true; dataGridView1.DataSource = bindingSource1; FillData(); dataGridView1.DataMember = "Table"; } private void FillData() { ds = _DbConnection.returnDataSet(_SQlQueries.SQL_PlantSelect); bindingSource1.DataSource = ds.Tables[0]; } public DataSet returnDataSet(string txtQuery) { conn.Open(); sqlCommand = conn.CreateCommand(); DB = new SQLiteDataAdapter(txtQuery, conn); DS.Reset(); DB.Fill(DS); conn.Close(); return (DS); } private void dataGridView1_Selectionchanged(object sender, EventArgs e) { if (dataGridView1.SelectedRows.Count &gt; 0) { gSelectedPlant = dataGridView1.SelectedRows[0].Cells["PlantId"].Value.ToString(); } } private void dataGridView1_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e) { int selectedIndex; if (!string.IsNullOrEmpty(gSelectedPlant) &amp;&amp; e.ListChangedType == ListChangedType.Reset) { if (ds.Tables.Count &gt; 0) { selectedIndex = bindingSource1.Find("PlantId", gSelectedPlant); if (selectedIndex &lt;= 0) selectedIndex = 0; dataGridView1.Rows[selectedIndex].Selected = true; } else { gSelectedPlant = string.Empty; } } } } </code></pre> <p>It is still not able to maintain the rowindex of the selected row. It scrolls to row1. Here's the blog I used <a href="http://www.makhaly.net/Blog/9" rel="nofollow">http://www.makhaly.net/Blog/9</a></p> <p>Suppose, I select a row on Form1(where all this code is) and go on the next form, which shows me detailed info abt the particular Plant . If I come back to this first form again,by pressing the back button, the row is reset to 1. gSelectedPlant takes a value 1 and selectedindex = 0. This makes sense but I am not yet able to figure out how to maintain the value of gSelectedPlant. Yes it takes a null intitally but on databindingcomplete it becomes 1.</p>
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    1. This table or related slice is empty.
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    1. USuser575219
    1. USuser575219
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    1. This table or related slice is empty.
    1. CODid you try putting the breakpoint on DataBindingComplete and see if it goes through the checks, also if it finds SelectedIndex value
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      1. POMaintaining Selected Row of the DataGridView Control after refreshing Data
      1. USHabib
    2. COPut the breakpoint and check the sequence of event fired, dataGridView1_DataBindingComplete event is fired first. So, i think that's why 'gSelectedPlant' variable not maintaining the proper value.
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      1. POMaintaining Selected Row of the DataGridView Control after refreshing Data
      1. USTalha
    3. CODid you try to add the boolean guarding the execution of SelectionChanged?
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      1. POMaintaining Selected Row of the DataGridView Control after refreshing Data
      1. USFrancesco Baruchelli
 

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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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