Add DataGridView Column Value in C#.net

Today, we will discuss about Add DataGridView Column Value in C#.net

private double  ADDCoulmnValue(int ColIdx, DataGridView dgv)
        {
            double d = 0;
            for (int idx = 0;idx <dgv.Rows.Count;idx++)
            {
                tot += Convert.ToDouble(dgv.Rows[idx].Cells[ColIdx].Value);
            }
            return tot;
        }

Add DataGridView Column Value in VB.Net

Today,We will see "How to Add DataGridView Column Value in VB.NET?"

Private Function ADDCoulmnValue(ColIdx As Integer, dgv As DataGridView) As Double Dim d As Double = 0 For idx As Integer = 0 To dgv.Rows.Count - 1 tot += Convert.ToDouble(dgv.Rows(idx).Cells(ColIdx).Value) Next Return tot End Function

Fetch Text File data into Datagridview in VB.Net

Today we will see Fetch Text file Data into Datagridview in VB.net
Text file Data Format
111;222
333;444
555;666
777;888
Code:

private Sub DispaydatafromTextFile(txtFilePath As String) '1st you must create columns to dgv, like: dataGridView1.Columns.Add("col1", "Column1") dataGridView1.Columns.Add("col2", "Column2") 'and so on... Using sr As New StreamReader(txtFilePath) Dim row As Integer = 0 Dim line As String While (InlineAssignHelper(line, sr.ReadLine())) IsNot Nothing Dim columns As String() = line.Split(";"C) dataGridView1.Rows.Add() For i As Integer = 0 To columns.Length - 1 dataGridView1(i, row).Value = columns(i) Next row += 1 End While End Using End Sub

Private Sub button1_Click(sender As Object, e As EventArgs) DispaydatafromTextFile("C:\Test.txt") textBox1.Text = Convert.ToString(dataGridView1.CurrentRow.Cells(0).Value) textBox2.Text = Convert.ToString(dataGridView1.CurrentRow.Cells(1).Value) End Sub

Private Sub dataGridView1_CellClick(sender As Object, e As DataGridViewCellEventArgs) textBox1.Text = Convert.ToString(dataGridView1.Rows(e.RowIndex).Cells(0).Value) textBox2.Text = Convert.ToString(dataGridView1.Rows(e.RowIndex).Cells(1).Value) End Sub

Fetch Text File Data into Datagridview in C#.Net

Today ,we will discuss about how to fetch data from Text File into Datagridview in C#.net
Text File Data Format
111;222
333;444
555;666
777;888
Code 

private void DispaydatafromTextFile(string txtFilePath)
 {
 //1st you must create columns to dgv, like:
 dataGridView1.Columns.Add("col1", "Column1");
 dataGridView1.Columns.Add("col2", "Column2");
 //and so on...
 using (StreamReader sr = new StreamReader(txtFilePath))
 {
 int row = 0;
 string line;
 while ((line = sr.ReadLine()) != null)
 {
 string[] columns = line.Split(';');
 dataGridView1.Rows.Add();
 for (int i = 0; i < columns.Length; i++)
 {
 dataGridView1[i, row].Value = columns[i];
 }
 row++;
 }
 }
 }

 private void button1_Click(object sender, EventArgs e)
 {
 DispaydatafromTextFile(@"C:\Test.txt");
 textBox1.Text = Convert.ToString(dataGridView1.CurrentRow.Cells[0].Value);
 textBox2.Text = Convert.ToString(dataGridView1.CurrentRow.Cells[1].Value);
 }

 private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
 {
 textBox1.Text = Convert.ToString(dataGridView1.Rows[e.RowIndex].Cells[0].Value);
 textBox2.Text = Convert.ToString(dataGridView1.Rows[e.RowIndex].Cells[1].Value);
 }

Find existing Item in ComboBox in C#.net

Today we will see "Find Existing Item in ComboBox in C#.net"

Code

private void ComboBox1_Leave(System.Object sender, System.EventArgs e)
{
int resultIndex = -1;
resultIndex = ComboBox1.FindStringExact(ComboBox1.Text);
if (resultIndex > -1) {
MessageBox.Show("Found It");
}
else
{
MessageBox.Show("Did Not Find It");
}

}

Find existing item in ComboBox in Vb.net

Today we will discuss about Find existing item in Combobox in VB.Net

Private Sub ComboBox1_Leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.Leave
Dim resultIndex As Integer = -1
resultIndex = ComboBox1.FindStringExact(ComboBox1.Text)
If resultIndex > -1 Then
MessageBox.Show("Found It")
Else
MessageBox.Show("Did Not Find It")
End If
End Sub

Define ViewBag in MVC

Define ViewBag in MVC

ViewBag is used to pass data from a controller to the view.ViewBag object holds the data.

Define Helper Classes

Define Helper Classes

There are several Helper classes in MVC frame work.  1.Form Helper- Radio buttons, textboxes,list boxes etc. 2.URL helpers 3.HTML helpers- Encode, Decode, AttributeEncode, and RenderPartial.

Define Non-Action Methods

Define Non-Action Methods

All action methods in a Controller are defined as public method.  If you want some method as non action method,mark the method with NonAction Attribute.

Define Action Methods Parameters

Define Action Methods Parameters

Request and Response methods can be called from the action method of the controller. If the parameter to an action method is passing through the URL, there are several ways to access it into our action method.