CODEWITHSUNDEEP
c#visual-studio-2010
Rachel Smith
Rachel Smith

Reputation: 1

Textbox cannot be empty

I am new at programming in c# in visual studio 2010. I have been trying to figure out When I click my save button my text boxes cannot be null or empty. I would appreciated if you guys could let me to a path in how to solve this.

Upvotes: 0

Views: 2401

Answers (1)

Oded
Oded

Reputation: 498952

You need to test the value of the text boxes (.Text property) to see if it is filled.

Using the string.IsNullOrWhitespace (.NET 4.0 and above) or string.IsNullOrEmpty methods in an if statement is a good start.

if(!string.IsNullOrWhitespace(aTextBox.Text))
{
  // it is not empty or null!
}

Upvotes: 2

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