public FrmCR()
{
InitializeComponent();
//DataGridView中最后空白的一行
this.dataGridView1.AllowUserToAddRows = false;
//去掉左侧前面 选择行
this.dataGridView1.RowHeadersVisible = false;
//初始化全屏
}
private void button1_Click(object sender, EventArgs e)
{
DataSet dataSet= DbHelperSQL.Query("");
this.dataGridView1.DataSource = dataSet.Tables[0];
decimal sum=0;
if (dataSet.Tables.Count != 0) {
for (int i = 0; i < dataSet.Tables[0].Rows.Count; i++)
{
sum += Convert.ToDecimal(dataSet.Tables[0].Rows[i][4]);
}
}
DataRow dr = dataSet.Tables[0].NewRow();
dr[0] = "合计";
dr[4] = sum;
dataSet.Tables[0].Rows.Add(dr);
}
DataGridView合计和经典设置
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转载自blog.csdn.net/qq_36074218/article/details/94388272
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