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How to perform style changes on datagridview rows using rows from the underlying bindingsource?


How to perform style changes on datagridview rows using rows from the underlying bindingsource?

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How to perform style changes on datagridview rows using rows from the underlying bindingsource?
Tag : chash , By : mansoor
Date : November 28 2020, 04:01 AM

hope this fix your issue Try using the CellFormatting event to set the color of your rows based on the row's RowState status:
void dataGridView1_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e) {
  if (e.RowIndex < _dt.Rows.Count) {
    if (_dt.Rows[e.RowIndex].RowState == DataRowState.Added) {
      dataGridView1.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.Red;
    } else if (_dt.Rows[e.RowIndex].RowState == DataRowState.Modified) {
      dataGridView1.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.Blue;
    }
  }
}

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How do I find which rows have been updated in the underlying Datatable on updating the Datagridview?


Tag : winforms , By : Will
Date : March 29 2020, 07:55 AM
should help you out This is what I am trying to achieve: , How about this:
DataTable changedRecordsTable = dataTable1.GetChanges();

DataGridView error after applying BindingSource.Filter which resulting Zero rows?


Tag : chash , By : Praetoriansentry
Date : March 29 2020, 07:55 AM
around this issue Here is my answer, I don't really understand this but I've just tried and it works like a charm.
My rule is:

How to clear the added rows from a datagridview binded using a BindingSource c# .net


Tag : chash , By : Ernie
Date : March 29 2020, 07:55 AM
wish helps you Its a Windows Form Application. Database is MS Access. Using Typed DataSet. I am having a datagridview, which i only use to insert data into database. I want to clear all the rows added as soon as I click on Reset Button on my form. The datagridview is using bindingSource. The Binding Source is using a Typed DataTable from the Typed DataSet , For the following scenario
this.dataGridViewPurDetails.DataSource = this.purchaseDetailBindingSource; 
// purchaseDetailBindingSource 
// this.purchaseDetailBindingSource.DataMember = "PurchaseDetail";
this.purchaseDetailBindingSource.DataSource = this.tVDataSet;
BindingSource DT = (BindingSource)dataGridViewPurDetails.DataSource; 
if (DT != null) 
    ((TVDataSet)DT.DataSource).PurchaseDetail.Clear();

Inserting New Rows into a DataGridView when bound to a BindingSource


Tag : winforms , By : walkah
Date : March 29 2020, 07:55 AM
will help you I think you must add your new object to the bindingSource yourself. I created a simple version of your project, with only 2 DGV. I also set the Data Source Update Mode to "Never" in my dataGridView2 -> DataBindings -> Advanced
When I write a new FileMoveProcessDetails (in the right grid) I can save it clicking a button and calling this code:
private void button1_Click(object sender, EventArgs e)
{
    var myCurrentRow = dataGridView2.Rows[dataGridView2.CurrentRow.Index];
    var fmpd = myCurrentRow.DataBoundItem;
    var pp = (FileMoveProcess)processesBindingSource.Current;
    pp.SourceDetails = (FileMoveProcessDetails)fmpd;
}

Filter a BindingSource based on the rows of another DataGridView


Tag : chash , By : toki
Date : March 29 2020, 07:55 AM
I wish this helpful for you Before reading the answer, you should know if you don't have a bool field or something to detect which job is completed it's not a good design. You should have a single list of jobs. Then based on a bool field you should show incomplete jobs in first grid and completed jobs in second grid. Then the filter would be simply Completed = true and Completed = false.
Anyway, you can use IN in filter expression. It's enough to create a list of values which you want to use in filter, then create the filter this way:
var ids = this.dataGridView2.Rows.Cast<DataGridViewRow>()
                .Where(r => !r.IsNewRow)
                .Select(r => r.Cells[0].Value.ToString());
bs1.Filter = string.Format("Column1 NOT IN ({0})", string.Join(",", ids));
.Select(r => string.Format("'{0}'",r.Cells[0].Value.ToString()));
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