Relationship between two datagridview by programilly












-1















Basically i want to see foreign key data in another datagridview. Parent data show in 1st datagridview and show child data in 2nd datagridview. when 1st gridview row click then 2nd gridview show child data table show.
i have two table , student and subject.
student==stu_id, name, roll.
subject==sub_id, name, subject_code, stu_id.
enter image description herepic










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  • what you have tried so far?

    – Hamza Haider
    Nov 20 '18 at 6:45
















-1















Basically i want to see foreign key data in another datagridview. Parent data show in 1st datagridview and show child data in 2nd datagridview. when 1st gridview row click then 2nd gridview show child data table show.
i have two table , student and subject.
student==stu_id, name, roll.
subject==sub_id, name, subject_code, stu_id.
enter image description herepic










share|improve this question























  • what you have tried so far?

    – Hamza Haider
    Nov 20 '18 at 6:45














-1












-1








-1








Basically i want to see foreign key data in another datagridview. Parent data show in 1st datagridview and show child data in 2nd datagridview. when 1st gridview row click then 2nd gridview show child data table show.
i have two table , student and subject.
student==stu_id, name, roll.
subject==sub_id, name, subject_code, stu_id.
enter image description herepic










share|improve this question














Basically i want to see foreign key data in another datagridview. Parent data show in 1st datagridview and show child data in 2nd datagridview. when 1st gridview row click then 2nd gridview show child data table show.
i have two table , student and subject.
student==stu_id, name, roll.
subject==sub_id, name, subject_code, stu_id.
enter image description herepic







c# datagridview master details






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asked Nov 20 '18 at 6:42









Oliur RahmanOliur Rahman

11




11













  • what you have tried so far?

    – Hamza Haider
    Nov 20 '18 at 6:45



















  • what you have tried so far?

    – Hamza Haider
    Nov 20 '18 at 6:45

















what you have tried so far?

– Hamza Haider
Nov 20 '18 at 6:45





what you have tried so far?

– Hamza Haider
Nov 20 '18 at 6:45












1 Answer
1






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oldest

votes


















0














First of all you haven't provided us with any code.



Now i will just explain you how to do it (without actual code since i do not have code of yours).



It is quiet easy and doesn't require much setup. Only thing you need to do is decide WHEN you want to change data in child datagridview. When you decide when to do it (example is on cell click), simply create event in first datagridview and use RowFiltering on second one. It would look like this:



private void DataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
DataGridViewRow row = dataGridView1.SelectedRows[0]; //Selecting only first selected row.

//Above code of getting row will not work if you have not set datagridview mode to full selection.
//If you do not want to you could get row like this

DataGridViewRow row = dataGridView1.Rows[e.RowIndex];

int CategoryIdOfSelectedOne = Convert.ToInt32(row["CategoryID"].Value);
(secondDGV.DataSource as DataTable).DefaultView.RowFilter = string.Format("CategoryID= '{0}'", CategoryIdOfSelectedOne);
}





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    1 Answer
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    First of all you haven't provided us with any code.



    Now i will just explain you how to do it (without actual code since i do not have code of yours).



    It is quiet easy and doesn't require much setup. Only thing you need to do is decide WHEN you want to change data in child datagridview. When you decide when to do it (example is on cell click), simply create event in first datagridview and use RowFiltering on second one. It would look like this:



    private void DataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
    {
    DataGridViewRow row = dataGridView1.SelectedRows[0]; //Selecting only first selected row.

    //Above code of getting row will not work if you have not set datagridview mode to full selection.
    //If you do not want to you could get row like this

    DataGridViewRow row = dataGridView1.Rows[e.RowIndex];

    int CategoryIdOfSelectedOne = Convert.ToInt32(row["CategoryID"].Value);
    (secondDGV.DataSource as DataTable).DefaultView.RowFilter = string.Format("CategoryID= '{0}'", CategoryIdOfSelectedOne);
    }





    share|improve this answer




























      0














      First of all you haven't provided us with any code.



      Now i will just explain you how to do it (without actual code since i do not have code of yours).



      It is quiet easy and doesn't require much setup. Only thing you need to do is decide WHEN you want to change data in child datagridview. When you decide when to do it (example is on cell click), simply create event in first datagridview and use RowFiltering on second one. It would look like this:



      private void DataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
      {
      DataGridViewRow row = dataGridView1.SelectedRows[0]; //Selecting only first selected row.

      //Above code of getting row will not work if you have not set datagridview mode to full selection.
      //If you do not want to you could get row like this

      DataGridViewRow row = dataGridView1.Rows[e.RowIndex];

      int CategoryIdOfSelectedOne = Convert.ToInt32(row["CategoryID"].Value);
      (secondDGV.DataSource as DataTable).DefaultView.RowFilter = string.Format("CategoryID= '{0}'", CategoryIdOfSelectedOne);
      }





      share|improve this answer


























        0












        0








        0







        First of all you haven't provided us with any code.



        Now i will just explain you how to do it (without actual code since i do not have code of yours).



        It is quiet easy and doesn't require much setup. Only thing you need to do is decide WHEN you want to change data in child datagridview. When you decide when to do it (example is on cell click), simply create event in first datagridview and use RowFiltering on second one. It would look like this:



        private void DataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
        {
        DataGridViewRow row = dataGridView1.SelectedRows[0]; //Selecting only first selected row.

        //Above code of getting row will not work if you have not set datagridview mode to full selection.
        //If you do not want to you could get row like this

        DataGridViewRow row = dataGridView1.Rows[e.RowIndex];

        int CategoryIdOfSelectedOne = Convert.ToInt32(row["CategoryID"].Value);
        (secondDGV.DataSource as DataTable).DefaultView.RowFilter = string.Format("CategoryID= '{0}'", CategoryIdOfSelectedOne);
        }





        share|improve this answer













        First of all you haven't provided us with any code.



        Now i will just explain you how to do it (without actual code since i do not have code of yours).



        It is quiet easy and doesn't require much setup. Only thing you need to do is decide WHEN you want to change data in child datagridview. When you decide when to do it (example is on cell click), simply create event in first datagridview and use RowFiltering on second one. It would look like this:



        private void DataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
        {
        DataGridViewRow row = dataGridView1.SelectedRows[0]; //Selecting only first selected row.

        //Above code of getting row will not work if you have not set datagridview mode to full selection.
        //If you do not want to you could get row like this

        DataGridViewRow row = dataGridView1.Rows[e.RowIndex];

        int CategoryIdOfSelectedOne = Convert.ToInt32(row["CategoryID"].Value);
        (secondDGV.DataSource as DataTable).DefaultView.RowFilter = string.Format("CategoryID= '{0}'", CategoryIdOfSelectedOne);
        }






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 21 '18 at 12:41









        Aleksa RisticAleksa Ristic

        1,2631324




        1,2631324
































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