How to display a selected item from a combobox into a gridvi

shosho shosho

what i want to do is basically is once an item is selected in the combobox ,it should directly be added into the datagridview once i click on a button called add in a simple windows form application. please help

20 Replies

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Isham Khan11y ago
Accepted answer
DataTable dt = new DataTable();
dt.Columns.Add("Name");
dataGridView1.DataSource = dt;

under Add Button Write this Code
dt.Rows.Add(comboBox1.SelectedItem.ToString());

If this helps u plz Mark as Answer
Susovan Biswas11y ago
try using this:

First globally declare your datatable:-

public static DataTable dt = new DataTable();

put the following code inside the form load event:

             dt.Columns.Add(new DataColumn ("Name" , typeof(string)));
dt.Columns.Add(new DataColumn("Course" , typeof(string)));
dt.Columns.Add(new DataColumn("GPA" , typeof(string)));
dataGridView1.DataSource = dt;

Put the following code inside the button click event.

             DataRow dr = null;
          dr = dt.NewRow();
dt.["Name"] = Name_comboBox.SelectedItem.ToString();
dt["Course"] = Course_comboBox.SelectedItem.ToString();
dt["GPA"] = GPA_comboBox.SelectedItem.ToString();
          dt.Rows.Add(dr);
          dt.AcceptChanges();
dataGridView1.DataSource = dt;
Isham Khan11y ago
u welcome .. plz mark it Answer
shosho shosho11y ago
OKay i will try to figure it out..thank you so much!
Isham Khan11y ago
thats may be visual studeio error ,,, not code error
shosho shosho11y ago
i made it global already..sorry didnt update the code here...but still the same result :/
Isham Khan11y ago
u use Datatable two times,, use it once outside of program globally
shosho shosho11y ago
yes visual studio 2012
Isham Khan11y ago
which tool u r using??? visual studio????
shosho shosho11y ago
My combobox during runtime has values, like it displays the names and courses etc..
Isham Khan11y ago
Add items to combobox plz i hope it will solve ur problem
shosho shosho11y ago
WinCore.Domain.Name
WinCore.Domain.Course
WinCore.Domain.GPA
Isham Khan11y ago
what type of text can u share plz
shosho shosho11y ago
Thank you so much for helping me but i have one last problem,, the thing is when i click add the selected item text is not getting displayed but some other text is getting displayed
Isham Khan11y ago
private void Add_btn_Click_1(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Rows.Add(Name_comboBox.SelectedItem.ToString(), Course_comboBox.SelectedItem.ToString(), GPA_comboBox.SelectedItem.ToString());

}

make DAtatable global ,, declare outside of block
shosho shosho11y ago
private void Form_Load_1(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add("Name");
dt.Columns.Add("Course");
dt.Columns.Add("GPA");
dataGridView1.DataSource = dt;

}

private void Add_btn_Click_1(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Rows.Add(Name_comboBox.SelectedItem.ToString());
dt.Rows.Add(Course_comboBox.SelectedItem.ToString());
dt.Rows.Add(GPA_comboBox.SelectedItem.ToString());
}

This is how i am doing it..
Isham Khan11y ago
yes under load form
Isham Khan11y ago
check the number of columns,, how many columns u r adding???
shosho shosho11y ago
i get the error: Input array is longer than the number of columns in this table.
shosho shosho11y ago
where do i put this part: under load form or?

DataTable dt = new DataTable();
dt.Columns.Add("Name");
dataGridView1.DataSource = dt;