datatable select id show in popup in mvc c# code example

Example 1: get selected text of html dropdown in javascript

var e = document.getElementById("selectElementID");
var value=e.options[e.selectedIndex].value;// get selected option value
var text=e.options[e.selectedIndex].text;

Example 2: winforms c# add data to datagridview with a button

private void button1_Click(object sender, EventArgs e)
        {
            DataTable dt = new DataTable();

            dt.Columns.Add("column1");
            dt.Columns.Add("column2");
            dt.Columns.Add("column3");
            
            DataRow NewRow = dt.NewRow();
            NewRow[0] = "row1";
            NewRow[1] = "row2";
  			NewRow[2] = "row3";
            dt.Rows.Add(NewRow);
            dataGridView1.DataSource = dt;
        }

Example 3: how to update modal class using dbfirst in asp.net core

Title:  Update DbContext
Command: dotnet.exe
Arguments: ef dbcontext scaffold "your-connection-string" Microsoft.EntityFrameworkCore.SqlServer --output-dir=Models --force
Initial directory: $(ProjectDir)

  Then optionally tick "Use Output window", hit Apply and OK.

  When you go to Tools again, this new menu should be there and ready for reuse, 
  in just a click of a button!

Example 4: how to update modal class using dbfirst in asp.net core

Update DbContext

Example 5: how to make a datatable in c#

Datatable NameHere = new DataTable();
NameHere.Rows.Add("Whateveryoudliketoaddintorstringoranything");